The asteroid, around 100 feet in diameter, is speeding toward our planet at about 22,000 miles per hour, according to NASA.

The space rock is hurtling through our cosmic backyard at a zippy 26,200 miles per hour, according to the space agency.

A bus-size asteroid is racing through space on a trajectory that will bring it close to Earth, and NASA is watching it with ...

NASA flags an asteroid, the odds shift, and better tracking usually turns worry into a clean miss. The system improves each ...

Discoveries can come from the most unlikely places — at least, that's what one high schooler found out, after finding nearly 1.5 million new objects in space.

A niche corner of the commercial space sector is attracting attention from United States national security planners, not because of its economic promise, but because of the technical problems it is ...

A stronomers are getting prepared for the chance to see "the most energetic lunar impact event ever recorded in human history ...

January brought a wide range of thoughtful science conversations featuring researchers from the SETI Institute, spanning everything from hands-on planetary defense with citizen scientists to careful ...

At the heart of our own galaxy, there is a dense thicket of stars with a supermassive black hole at the very center. NASA's ...

International Space Station, where astronauts have lived and worked for 25 years, is visible to us on Earth. How to see it ...

Fireballs are bright meteors and can be yellow, blue, red, green and sometimes violet. Fast-moving meteors are frequently ...

Jeff Bezos' Blue Origin announced plans to pause its New Shepard human spaceflights for at least two years to focus on ...