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 ...

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 ...

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

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

In a new paper, an international team of researchers revisited the idea of blowing up an incoming asteroid with a nuclear ...

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 ...

If the building-size asteroid 2024 YR4 crashes into the moon in December 2032, the impact will produce a bright flash that may be visible to the naked eye, a new study finds.

Only far smaller impacts have been observed directly. In 2013, a meteoroid weighing a few hundred kilograms struck the Moon, ...

My friend Larry Lebofsky has been studying asteroids since we first met as students, more than 50 years ago. Now approaching 80 years old, he still spends a ...

An American high school student has stunned the scientific world by developing an algorithm to map 1.5 million previously ...

Could humanity nuke an incoming asteroid to deflect it and save the Earth, disaster-movie style? A unique new impact ...