For decades, astronomers have dismissed them as nuisances — small specks of rock streaking through telescope images, ...

We've all heard about the asteroid that wiped out the dinosaurs, a colossal rock 10 kilometers wide. However, there are some smaller ones too. These space rocks are called decameter asteroids, which ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: MIT/Ella Maru and Julien de Wit By reverse-engineering James Webb Space Telescope (JWST) ...

The asteroid that extinguished the dinosaurs is estimated to have been about 10 kilometers across. That's about as wide as Brooklyn. Such a massive impactor is predicted to hit Earth rarely, once ...

Utilizing archival James Webb Space Telescope (JWST) data and novel synthetic tracking algorithms, researchers identified 138 asteroids smaller than 100 meters in diameter within the main asteroid ...

The asteroids are as large as around 75 and 91 feet in diameter, according to the Center for Near Earth Object Studies.

An asteroid measuring as wide as 295 feet is possibly headed right toward Earth, but don’t run for cover just yet. A NASA-funded telescope in Rio Hurtado, Chile, first spotted the asteroid, named 2024 ...

The Hayabusa2 mission is facing a new challenge after observations showed the asteroid it is going to rendezvous with and touchdown on in 2031 is much smaller than previously thought; it's also ...

New observations show that asteroid 1998 KY26 is a mere 11 meters across and spinning twice as fast as previously thought.

This story was updated to add new information. The Earth will soon have a second mini-moon, although it will be a brief visit. Scientists wrote about the mini-moon and its anticipated orbit around ...

California-based TransAstra is testing an inflatable “Capture Bag” that comes in different sizes and is intended to catch ...