Interstellar asteroids visiting our solar system from parts unknown used to be the stuff of science fiction. But today, we know of at least two such bodies Oumuamua and 2I/Borisov respectively ...

Planet killer asteroids are space rocks that are 1 kilometer across or larger and could have a devastating effect on life. But smaller asteroids can cause regional devastation if they are ...

It's one of the many plans the agencies have in place as part of a larger effort to build a defense to protect humanity from threats posed by asteroids and other inbound space rocks.

"But it's not very common that it happens." Here are today's general risks from asteroids or comets both tiny and very large. Importantly, even relatively small rocks can still be threatening ...

Jan. 21, 2025 — Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds up to 33,000 km/h, the winds make up the fastest jet ...

Potentially hazardous asteroids are NEOs that are larger than 460 feet (140 meters) in diameter and that could come within 4.65 million miles (7.48 million km) of Earth, or roughly 20 times the ...