ESA's Gaia mission has determined he orbits of 154,741 asteroids in our solar system. Credit: ESA/Gaia/DPAC ...

NASA has explored the space beyond Earth and our solar system with spacecraft like Voyagers 1 and 2, and how we’ve discovered thousands of exoplanets with space telescopes like Kepler and TESS. Credit ...

Six planets will shine together in the evening sky on Feb. 28. Here's how to get the best view before they disappear.

Six planets will align in February as part of a rare planetary parade. Find out how and when you can see the event.

A bold proposal would send a spacecraft plunging close to the sun to slingshot after interstellar comet 3I/ATLAS, an ...

An astrophysicist who discovered water on another planet beyond our solar system was fatally shot outside his home this week.

As interstellar object 3I/ATLAS departs our solar system, it's releasing a surprising amount of water and ancient, carbon-rich material into space.

Just days ago the moon traveled directly between Earth and the sun in what was the first solar eclipse of the year, producing ...

Interstellar object 3I/ATLAS appears to have started spewing huge amounts of water and other organics into space.

It's getting hard to build wind and solar farms across America, a USA TODAY investigation shows, although they can boost the ...

Six planets will align in February as part of a rare planetary parade. Find out how and when you can see the event.

The observations provide the most detailed picture yet of where Uranus' auroras form and how energy moves through its atmosphere.