Is Tatooine the norm? Planets may prefer living with two suns instead of one
New simulations suggest binary star systems may be ideal for planet formation, and may produce more gas giants than single-star systems.
Skywatching
A guide to observing deep-sky objects with binoculars, telescopes and more
Find out what deep-space objects are, what optics you’ll need to see them and how to plan your observing.
Spaceflight
These astronauts are trying to uphold the US Constitution: 'We need to make sure that people are using facts and evidence'
When we build things on wonder, it naturally opens the mind.
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Canadian astronaut Josh Kutryk finally flying to ISS after Boeing Starliner mishap: 'I'm committed to making the most of this unique opportunity'
Just two weeks after Canada made history on the Artemis 2 moon mission, Canadian astronaut Josh Kutryk was assigned to the upcoming Crew-13 mission to the ISS.
On this day in space! April 28, 2001: World's 1st space tourist launches to space station
On April 28, 2001, the world's first space tourist hitched a ride to the International Space Station on a Russian Soyuz spacecraft.
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Science & Astronomy
Scientists learn how much baby stars in Orion weigh — by watching their dance moves
"These measurements vastly expand our understanding of how stellar neighborhoods like our own are built."
Did decaying dark matter help create the universe's first supermassive black holes?
"With the James Webb Space Telescope now revealing more supermassive black holes in the early universe, this mechanism may help bridge the gap between theory and observation."
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Space Photo of the Day
Backyard snapshot delivers stunning galaxy image | Space photo of the day for April 27, 2026
The Small Magellanic Cloud, a neighbor of our Milky Way galaxy, stuns in this ambassador's picture.
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Northern lights - live updates
The latest aurora forecast for tonight help you make sure you're in the right place at the right time to see the northern lights.
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Rocket launch today
Follow Space.com's rocket launch blog for the latest on when the next rocket launch will be and how to follow it live.
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Night sky for tonight
Find out what you can see in the night sky for tonight, from planets and stars to dazzling meteor showers.
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Live 4K video from space!
Witness live views of Earth from the International Space Station as it orbits the planet. Space streaming company Sen is broadcasting 24/7 from the ISS in beautiful 4K HD.
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On this day in space!
NASA astronaut Sally Ride became the first American woman in space aboard the space shuttle Challenger.
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ReferenceWhat is the moon phase today?
See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.
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ReferenceSpace calendar 2025
Keep up with all the rocket launches, astronomical events and mission milestones for 2025 with our space calendar.
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Search For Life
Making contact with ET? Aliens may already know we're here
Earth is dotted with many humongous, human-made structures. To an alien eye, they may be tell-tale signs of intelligent goings-on, betraying our existence and hinting at our capabilities.
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Technology
Astrobotic fires next-generation 'rotating detonation rocket engine' in record-breaking test (video)
Astrobotic completed a successful series of hot-fire tests of its rotating detonation rocket engine prototype, marking a key milestone for the experimental propulsion technology.
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AI sped up James Webb Space Telescope data analysis from years to days. What can it do for the groundbreaking Rubin Observatory?
AI algorithms can sharpen naturally blurry images taken by ground-based telescopes, revealing details otherwise visible only to space-borne machines like Webb and Hubble.
