Astronomy

Latest about Astronomy

Interstellar invader comet 3I/ATLAS formed in a world much colder than the solar system

By Robert Lea published

"Each interstellar comet brings a little bit of its history, its fossils, from elsewhere."

Comets
An illustration of a super-Earth exoplanet orbiting its star with very different siblings

NASA's TESS spacecraft discovers a weird system of exoplanets unlike anything seen before

By Robert Lea published

"Most planetary systems appear as 'peas in a pod.' This is not the case in the TOI-201 system."

8 Comments
Exoplanets
colorful clouds of gas on a starry background

Nebula sparkles in new Hubble snapshot | Space photo of the day for April 23, 2026

By Chelsea Gohd published

Hubble revisits the Trifid Nebula in a spectacular image, revealing it's expansive splendor.

2 Comments
Hubble Space Telescope
Japan's MMX sample-return mission to the Mars moon Phobos arrives at its Tanegashima launch site on March 31, 2026. Liftoff is expected in November or December of this year.

Japan's audacious sample-return mission to the Mars moon Phobos has made it to the launch pad

By Andrew Jones published

The complex MMX mission aims to shed light on the origins of Mars' two tiny moons, Phobos and Deimos, bringing Phobos material back to Earth in 2031.

Mars
Earthset captured through the Orion spacecraft window at 6:41 p.m. EDT, April 6, 2026, during the Artemis 2 crew’s flyby of the Moon

Happy Earth Day! Celebrate with these amazing photos of our planet from space, from Apollo 8 to Artemis 2

By Chelsea Gohd published

This Earth Day, we reflect on our home planet and look at Earth from space through history.

Earth
This is an image of Earth captured in space.

Celebrate Earth Day with this Artemis 2 shot | Space photo of the day for April 22, 2026

By Chelsea Gohd published

Celebrating Earth Day with an image of Earth captured by NASA's Artemis 2 mission around the moon.

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Earth
This image of Uranus from NIRCam (Near-Infrared Camera) on the NASA/ESA/CSA James Webb Space Telescope shows the planet and its rings in new clarity. The Webb image exquisitely captures Uranus’s seasonal north polar cap, including the bright, white, inner cap and the dark lane in the bottom of the polar cap. Uranus’ dim inner and outer rings are also visible in this image, including the elusive Zeta ring—the extremely faint and diffuse ring closest to the planet.

Mysterious rings around Uranus point to hidden moons orbiting the ice giant

By Keith Cooper published

The two most puzzling rings around Uranus are gradually giving up their secrets, only to deepen the mystery of the Uranian system.

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Uranus
The strong stellar wind from the supergiant starpushes the jets launched by the black hole away from the star.

'Dancing' jets erupting from a cannibalistic black hole have the power of 10,000 suns

By Robert Lea published

Astronomers have discovered that jets from a cannibalistic black hole are erupting with the power of 10,000 suns.

Black Holes
inside a white hangar with a large ceiling sits a metal cylinder from which extend three long rectangular solar panels, all pointing towards the ceiling

NASA reveals its Roman Space Telescope today: How to watch live, and what's next for the next-generation observatory

By Elizabeth Howell published

NASA will unveil the Nancy Grace Roman Space Telescope on April 21, and you can watch the event live here at Space.com.

8 Comments
Astronomy

NASA's Curiosity rover finds building blocks of life on Mars. Scientists aren't sure how they got there

By Leonard David published

NASA's Curiosity rover has found a diverse mix of organic molecules on Mars, including chemicals considered building blocks for the origin of life on Earth.

4 Comments
Mars
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