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

When an interstellar visitor slices through the solar system, astronomers usually have to make do with a fleeting, side-on ...

NASA’s Parker Solar Probe has made a significant breakthrough in space exploration by observing interstellar comet 3I/ATLAS, providing a fresh perspective on an object passing through our solar system ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space agency spotted the quick-moving object with the Atlas telescope in Chile on ...

Could the icy moons of our solar system hold life beyond our planet? Keith Cooper looks at how planetary scientists plan to ...

A NASA mission to study the heliosphere—the sun's magnetic bubble that shields our solar system—and develop a better understanding of space weather was launched from the agency's Kennedy Space Center ...

NASA’s Goddard Space Flight Center shared the images of comet 3I/ATLAS. It's possibly as big as Manhattan, likely older than our own solar system and it's traveling through space at speeds of up to ...

NASA has thrown cold water on Harvard astrophysicist Avi Loeb’s theory that interstellar visitor 3I/ATLAS was sent to us by an extraterrestrial civilization — a sobering albeit unsurprising conclusion ...

This is the third time an object from outside the solar system has been found. An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.

"These first images are astonishing, but the best is still yet to come." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA's PUNCH mission has ...

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are added to the count on a rolling basis by scientists from around the world, ...