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

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 ...

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 ...

Scientists have just discovered a rare interstellar object hurtling through the solar system, and it's expected to make its closest approach to Earth on October 30. Officially named 3I/ATLAS, the ...

Last month, mysterious interstellar object 3I/ATLAS came within just 18 million miles of Mars during its unusual trajectory through our solar system. During its approach, NASA’s Mars Reconnaissance ...

"It's going to look different because it didn't come from our solar system and that's what makes it so magical." When you purchase through links on our site, we may earn an affiliate commission.

The Sun has never looked quite like this. With a quartet of small satellites flying in formation, NASA’s PUNCH mission is ...

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 ...

NASA’s renewed interest in lunar exploration has captivated the imagination of space enthusiasts and scientists alike. While many assume that the return to the Moon is simply a nostalgic venture, the ...

"These images are not just pretty." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. It was 4 a.m. on Nov. 25 at the top of Hawaii's dormant ...

The New Horizons spacecraft sends back its sensational snapshots of Jupiter, and its volcanic moon Io, before the mission's close encounter with Pluto (Photo by: Photo12/Universal Images Group via ...