Find out what's up in your night sky during November 2025 and how to see it in this Space.com stargazing guide.

Spaceflight rewires the human body. Muscles shrink, bones thin and fluids shift towards the brain – but these changes may ...

Perihelion for 3I/ATLAS takes place on Oct. 30, when the interstellar interloper will be 1.35 astronomical units (125 million ...

Mars is an inhospitable desert planet. Billions of years ago, things were different. In Jezero Crater, for example, fed by a ...

"We've shared and are formally assessing a simplified mission architecture and concept of operations that we believe will ...

NASA's chief said recently he's reopening bids for the Artemis III contract that it awarded SpaceX in 2021. SpaceX has now ...

What a difference a decade makes. When the Paris Agreement was signed in 2015 the world looked to be heading for four degrees ...