If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

The Shuttle failed because it tried to do too much, too fast. Dream Chaser does less — but does it better. With lower ...

I/ATLAS is old news; NASA's discovery of the mysterious starless object Cloud 9 is rewriting cosmic theory. Here is what ...

Interstellar comet 3I/ATLAS reveals ancient secrets and strange chemistry as the largest object of its kind ever tracked.

NASA’s Perseverance rover has spent years combing Jezero Crater for subtle traces of ancient microbes, but one of its most ...

NASA will return four astronauts to Earth early from the International Space Station due to a medical concern with one of the ...

Crew-11's successor mission, the four-astronaut Crew-12, is currently targeted to launch in mid-February. NASA is looking at ...

The James Webb Space Telescope (JWST) is a large space telescope which collects light at infrared wavelengths. It has been ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

The interstellar comet 3I/ATLAS is just days away from coming as close to Earth as it will ever get. Here's how you can track it and spot it.

If aliens are out there, why haven’t we heard from them? That’s the question at the center of Pop Mech’s new story, “Aliens Probably Exist—But They’re Staying Silent For a Reason, NASA Scientist ...