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

Astronomers are constantly tracking “potentially hazardous” objects in space, using advanced telescopes capable of detecting ...

Most near-Earth asteroids are thought to drift in from the main asteroid belt. But a small subset may have a much closer origin: the moon. One intriguing example is 469219 Kamoʻoalewa (2016 HO3), an ...

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 ...

During the Cold War, the Soviet Union explored ideas so extreme they border on science fiction—including using asteroids as ...

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

Blasting meteorite samples with CERN’s Super Proton Synchrotron, the team found that the material "became stronger". That ...

Unistellar's citizen scientists are using their smart telescopes to engage in planetary defense, research and observational astronomy.

The John J. McCarthy Observatory - run by volunteers on the grounds of New Milford High School - has been watching the night sky for 25 years.

This coming July, Venus could plow through the dust generated by an asteroid breakup thousands of years ago, potentially ...

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 ...