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two astronauts in white spacesuits working to set up an ice-drilling rig on mars.

Long space missions take a toll on astronaut brains, study finds

By Charles Q. Choi published

Long spaceflights can cause astronauts' ventricles — cavities in the brain that hold cerebrospinal fluid — to enlarge by up to 25%. And it apparently takes years for the swelling to go down.

Still from the movie Transformers: Rise of the Beasts (2023). Here we see 5 Transformers standing together. From left to right, there is Optimus Prime (large blue and red robot that can turn into a truck), Optimus Primal (a robot gorilla with piercing green lights for eyes), and then the yellow Transformer Bumblebee. To the left there appear 2 other Transformers (a mechncialy bird in the sky and a blue blocky robot in the background.

Transformers movies in order: Chronological and release

By Fran Ruiz published

Get up to speed on all the Transformers movies released so far, both in chronological and release order, with our comprehensive guide.

Best lenses for astrophotography: Image shows a camera pointing at a sunset.

Best lenses for astrophotography in 2023

By Jase Parnell-Brookes last updated

Buying Guide Our roundup of the best lenses for astrophotography, from Canon, Sony, Nikon, Sigma to suit mirrorless and DSLR camera mounts.

Hubble photo of two galaxies in deep space marred by a satellite trail, which appears as a bright white line across the upper left of the image.

New tool 'cleans' ever-increasing satellite trails from Hubble photos

By Sharmila Kuthunur published

Scientists have developed a new tool that can keep Hubble Space Telescope photos free of the bright streaks caused by fast-moving satellites.

An image taken by the European Earth-observing satellite Sentinel-3

Space pictures! See our image of the day

By Space.com Staff published

A thick blanket of smoke produced by wildfires in Canada hangs over New York and other major cities in the U.S. Northeast in this image captured by Europe's Sentinel 3 satellite.

The brightest gamma-ray burst ever seen as observed by the Swift X-Ray Telescope around an hour after it erupted.

Brightest gamma-ray burst ever seen, the largest known explosion since Big Bang, has a unique jet structure unlike any other

By Robert Lea published

The gamma-ray burst dubbed "the BOAT," or the brightest of all time, has a unique jet structure that may explain its extreme nature and why its afterglow persisted for so long.

Tech

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a raging river rushes through a hole in a dam

Satellites watch floods ravage Ukraine following dam collapse (photos)

By Brett Tingley published

Satellites watched as floodwaters ravaged southern Ukraine following the mysterious collapse of a major dam on Tuesday (June 6).

Earth
Creality CR-M4 3D printer

Creality CR-M4 review: Industrial size, quality, and price

By Will Zoobkoff published

If you need high-quality, large-scale printing at home, the enormous Creality CR-M4 is the printer you've been searching for.

Spaceflight

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two astronauts in white spacesuits working to set up an ice-drilling rig on mars.

Long space missions take a toll on astronaut brains, study finds

By Charles Q. Choi published

Long spaceflights can cause astronauts' ventricles — cavities in the brain that hold cerebrospinal fluid — to enlarge by up to 25%. And it apparently takes years for the swelling to go down.

NASA
NASA's James Webb Space Telescope in its deployed form as seen in an artist's illustration.

NASA's James Webb Space Telescope mission — Live updates

By Elizabeth Howell, Daisy Dobrijevic published

Read the latest news about NASA's James Webb Space Telescope.

NASA

Science & Astronomy

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Hubble photo of two galaxies in deep space marred by a satellite trail, which appears as a bright white line across the upper left of the image.

New tool 'cleans' ever-increasing satellite trails from Hubble photos

By Sharmila Kuthunur published

Scientists have developed a new tool that can keep Hubble Space Telescope photos free of the bright streaks caused by fast-moving satellites.

Hubble Space Telescope
Graphic showing the four main moon phases in June 2023, Full Moon: May 3, Last Quarter: May 10 New Moon: May 18 and First Quarter: May 26

What is the moon phase today? Lunar phases 2023

By Tariq Malik last updated

Reference See the phase of the moon tonight and the rest of the moon phases for 2023, and when you can see them.

Reference

Meet The Team

Search For Life

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Illustration showing a small robotic probe nearing Venus, with the blackness of space in the background.

1st-ever private Venus mission delayed until at least 2025

By Robert Lea published

The Rocket Lab's pioneering private mission to Venus, which had been set to launch last month, has been delayed until at least 2025.

Venus
a man in a blue flight jacket stands in front of a map of Earth

UFOs worth investigating despite lack of 'real evidence,' former astronaut Scott Kelly says

By Brett Tingley published

Four-time astronaut Scott Kelly spoke with Space.com about UFOs and why air and space are so 'prone to optical illusions' that lead to reports of unidentified anomalous phenomena.

UFOs and Extraterrestrials
a group of people in suits at a table with a nasa logo

UFOs will remain mysterious without better data, NASA study team says

By Brett Tingley last updated

During the opening remarks in today's meeting of NASA's UAP study team, members stressed that the biggest roadblock standing between us and understanding unidentified phenomena is a lack of data.

UFOs and Extraterrestrials

Skywatching

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Night sky app open on a smartphone in the author's hand

Night Sky stargazing app review

By Jase Parnell-Brookes published

Review Night Sky is a stargazing app built on ease of use and a sense of wonder.

Review
Best lenses for astrophotography: Image shows a camera pointing at a sunset.

Best lenses for astrophotography in 2023

By Jase Parnell-Brookes last updated

Buying Guide Our roundup of the best lenses for astrophotography, from Canon, Sony, Nikon, Sigma to suit mirrorless and DSLR camera mounts.

Buying Guide
Wispy white noctilucent clouds swirl over an orange sunset and blue sea

Earth's highest, coldest, rarest clouds are back. How to see the eerie 'noctilucent clouds' this summer.

By Jamie Carter published

Look North as the stars appear in June and July to have a chance of seeing rare noctilucent (or 'night-shining') clouds with the naked eye.

Earth

Entertainment

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Still from the movie Transformers: Rise of the Beasts (2023). Here we see 5 Transformers standing together. From left to right, there is Optimus Prime (large blue and red robot that can turn into a truck), Optimus Primal (a robot gorilla with piercing green lights for eyes), and then the yellow Transformer Bumblebee. To the left there appear 2 other Transformers (a mechncialy bird in the sky and a blue blocky robot in the background.

Transformers movies in order: Chronological and release

By Fran Ruiz published

Get up to speed on all the Transformers movies released so far, both in chronological and release order, with our comprehensive guide.

The Expanse A Telltale Series

'The Expanse' actor Cara Gee talks playing Drummer again in the upcoming The Expanse: A Telltale Series (Exclusive)

By Fenhua T. Augustus published

Interview Cara Gee took some time out of her busy belting schedule to talk to us about working on the upcoming The Expanse: A Telltale Series.

Interview
Headshot of Bill Murray in the forest wearing blue face paint.

James Cameron's 'Avatar' scores wacky new Wes Anderson-inspired AI tribute trailer (video)

By Jeff Spry published

A new AI-generated trailer previews the nonexistent Wes Anderson film "The Peculiar Pandora Expedition: An Avatar Story."

Space Movies

References

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Still from the movie Transformers: Rise of the Beasts (2023). Here we see 5 Transformers standing together. From left to right, there is Optimus Prime (large blue and red robot that can turn into a truck), Optimus Primal (a robot gorilla with piercing green lights for eyes), and then the yellow Transformer Bumblebee. To the left there appear 2 other Transformers (a mechncialy bird in the sky and a blue blocky robot in the background.

Transformers movies in order: Chronological and release

By Fran Ruiz published

Get up to speed on all the Transformers movies released so far, both in chronological and release order, with our comprehensive guide.

Best lenses for astrophotography: Image shows a camera pointing at a sunset.

Best lenses for astrophotography in 2023

By Jase Parnell-Brookes last updated

Buying Guide Our roundup of the best lenses for astrophotography, from Canon, Sony, Nikon, Sigma to suit mirrorless and DSLR camera mounts.

Buying Guide
Graphic showing the four main moon phases in June 2023, Full Moon: May 3, Last Quarter: May 10 New Moon: May 18 and First Quarter: May 26

What is the moon phase today? Lunar phases 2023

By Tariq Malik last updated

Reference See the phase of the moon tonight and the rest of the moon phases for 2023, and when you can see them.

Reference