A newly discovered asteroid, also referred to as a mini-moon or second moon, is set to enter Earth's orbit temporarily this ...

A new study suggests that the Sun may have had a close encounter with another star, explaining the unusual orbits of objects ...

The asteroid was found by a group called ATLAS, which stands for Asteroid Terrestrial-impact Last Alert System, in August.

Top Spin A solar sail is designed to use the tiny amounts of radiation pressure exerted by sunlight to propel a spacecraft to ...

New simulations suggest that there are enough primordial black holes—potential dark matter candidates—in the universe for one ...

Watching for changes in the Red Planet’s orbit over time could be a new way to detect passing dark matter. MIT physicists ...

They found that if a primordial black hole came within a few hundred million miles of Mars, it could cause a slight “wobble” ...

NASA's Advanced Composite Solar Sail System, or ACS3, has been fully deployed in orbit, according to the administration, and ...

The Advanced Composite Solar Sail System could pave the way for new, ultrafast forms of space travel.

"Primordial black holes do not live in the solar system. Rather, they're streaming through the universe, doing their own thing," said researcher Sarah Geller.

New evidence suggests that billions of years ago, a star may have passed very close to our solar system. As a result, ...