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

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

"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.

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

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

Those who do catch a glimpse of the solar sail as it passes overhead can share their experience with the #SpotTheSail hashtag ...

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

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

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

"If there are lots of black holes out there, some of them must surely pass through our backyard every now and then." ...

Our solar system might still bear the scars from an extremely close shave with an alien star. Such an encounter – the closest pass we know of – would have shaken up objects on the outskirts and might ...