Astronomy

Latest about Astronomy

Scientists may have finally 'seen' dark matter for the 1st time

By Robert Lea published

The NASA gamma-ray spacecraft Fermi may have enabled scientists to "see" dark matter, the universe's most mysterious stuff, for the first time.

Dark Universe
A photo of the moon Enceladus with a blue plume of steam underneath it as it sits in the darkness of space

Icy moons in our solar system may have boiling oceans — but life could potentially still survive

By Charles Q. Choi published

Small icy moons in the outer reaches of our solar system may hide boiling oceans underneath their surfaces, a new study finds.

Solar System
A pink and green aurora is seen in the sky over some pine trees

Satellite data reveals a huge solar storm in 2024 shrank Earth's protective plasma shield

By Samantha Mathewson published

Though it generated beautiful auroras around the world, the Gannon solar storm in 2024 was also a little dangerous.

The Sun
A dizzying array of concentric blue and red and white circles are seen in the night sky behind a domed white building

Star trails over telescope in Chile | Space photo of the day for Nov. 25, 2025

By Kenna Hughes-Castleberry published

Chilean astrophotographer Osvaldo Castillo captured this breathtaking view.

Astronomy
A series of grayscale images showing holes in the surface of Mars where caves have formed

Evidence of ancient life on Mars could be hidden away in colossal water-carved caves

By Keith Cooper published

Skylights, openings in the surface of Mars that descend down into caves, have been found on Mars, along with signatures for the presence of water ice.

Mars
Two white rovers lean over simulated gray lunar dust.

These 2 moon rovers used cameras and lasers to hunt for simulated water ice — and one looks like WALL-E

By Elizabeth Howell published

Two cute rovers recently teamed up in a moon-like facility in search of water, to support future Artemis missions and their astronauts.

The moon
A white blob of ice surrounded by a yellow outline sits in a navy blue ocean

Satellite sees Antarctic ice shrink to 3rd-lowest max ever | Space photo of the day for Nov. 24, 2025

By Kenna Hughes-Castleberry published

This is not good news for the future of our planet.

Earth
A black and white crossword puzzle sits underneath a blue and white coffee cup with the Space.com black and white logo in the bottom left corner.

Space.com headlines crossword quiz for week of Nov. 17, 2025: What does the I in comet 3I/ATLAS stand for?

By Kenna Hughes-Castleberry published

Test your space smarts with our weekly crossword challenge, crafted from Space.com's biggest headlines.

Astronomy
A painting of two balding monks sitting on green stools showing each other books

How a medieval Oxford friar used light and color to find out what stars and planets are made of

By William Crozier published

Contemporary astrophysics has, of course, vindicated Fishacre's position

Astronomy
A dark dot sits in the middle of a blue and black starry folded cloth with grid lines over it

Does the universe have extra dimensions hiding in plain sight?

By Paul Sutter published

While the existence of extra dimensions is a cool idea, it's currently not supported by any evidence

Astronomy
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