Astronomy

Latest about Astronomy

How are gas giant exoplanets born? James Webb Space Telescope provides new clues

By Samantha Mathewson published

Relatedly, astronomers may have just pushed the upper size limit of what counts as a planet.

James Webb Space Telescope
An orbital view of northern Italy showing a mountainous region to the north, dominated by the vein-like lines of mountain tops bordered by flat green terrain to the south.

Italy's 2026 Winter Olympic venues from space | Space photo of the day for Feb. 10, 2026

By Anthony Wood published

ESA marked the opening of the 2026 Winter Olympics by capturing the venue from low-Earth orbit.

Earth

What is the moon phase today? Lunar phases 2026

By Tariq Malik, Daisy Dobrijevic last updated

Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2026.

Reference
Artist's illustration of SpaceX's Starship vehicle on the moon during an Artemis astronaut mission for NASA.

A city on the moon: Why SpaceX shifted its focus away from Mars

By Mike Wall published

Just 13 months after declaring the moon "a distraction," Elon Musk has announced that Earth's nearest neighbor is now the focus of SpaceX's settlement plans. What changed?

The moon
A white light of the comet 3I/ATLAS is surrounded by a blue glow against a black background

Interstellar comet 3I/ATLAS survived its flyby of the sun — and gave up some secrets in the process

By Paul Sutter published

Interstellar comets are the original cosmic explorers, and by studying their metallic whispers, we are learning the secrets of worlds we may never see directly.

Comets
An image of a construction site with a large circular scaffolding in the middle of the scene.

The heart of a giant telescope | Space photo of the day for Feb. 9, 2026

By Kenna Hughes-Castleberry published

There are a lot of moving pieces when it comes to building the world's largest telescope.

Astronomy
An illustration showing a floating spacecraft with a blue search beam looking down at the reddish bumpy surface of Venus with Earth in the far distance

Venus may have an underground tunnel carved by volcano eruptions

By Sharmila Kuthunur published

Scientists analyzing decades-old NASA's Magellan data have identified only the second reported lava tube on Venus.

Venus
A series of adobe red buildings on a hillside with snowy mountains in the background

What Americans lose if their National Center for Atmospheric Research is dismantled

By Carlos Martinez published

Five ways dismantling NCAR will cost the American people, and two ways to save it.

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 Feb. 2, 2026: What type of object is C/2026 A1 (MAPS)?

By Kenna Hughes-Castleberry published

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

Astronomy
earth as seen from space

The way Earth's surface moves has a bigger impact on shifting the climate than we knew

By Ben Mather, Adriana Dutkiewicz, Dietmar Müller, Sabin Zahirovic published

New research reveals the source of this carbon – and the driving forces behind it – are far more complex than previously thought.

Earth
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