The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

It’s time for one of the strongest meteor showers of the year. The Geminids peak this weekend and are visible through ...

NASA astronaut Jonny Kim flew home from the International Space Station alongside two Roscosmos cosmonauts landing in the ...

A major new study lays out plans for crewed missions to Mars, with the search for extraterrestrial life being a top priority ...

Cradled in the nose of a high-altitude research airplane, a new NASA sensor has taken to the skies to help geoscientists map ...

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...

"This observation also demonstrates that we can use Webb to find individual stars when the universe was only 5% of its ...

Astronomers have spotted the longest gamma-ray burst ever seen, a cosmic explosion that lasted seven hours — and they ...

I come to you as a father, volunteer, and Eagle Scout asking that you please re-consider withdrawing support from Scouting ...

NASA's Perseverance rover has for the first time helped scientists confirm that electrical sparks often ignite within ...

The 84-foot-diameter space rock—dubbed "2025 XM"—is hurtling through the solar system at a zippy 9,753 miles per hour.