Black holes are some of the most mysterious objects in the universe, but they aren't always silent. When two black holes are close enough to each other, they spiral toward one another, eventually ...

To be a planet, NASA says an object must be big enough that its gravity has cleared away any other objects of a similar size near its orbit around the Sun. I can understand how something can clear ...

Almost half the stuff in orbit around Earth can be classified as space junk, and the problem is only going to get worse as launches and orbital infrastructure increase. Using data from the U.S. Space ...

Astronomers have detected a thin atmosphere around a tiny celestial body in the outer solar system for the first time — an object previously thought to be too small to support the presence of an ...

The Black Knight story didn’t begin as a claim of alien technology. It began as an object that didn’t fit existing categories. Early observations, signals, and images were difficult to reconcile with ...

COLORADO SPRINGS — Citra Space said it raised $15 million in a Series A funding round led by Washington Harbour Partners, as the Colorado-based startup looks to expand its software platform for ...

And now for the dangerous part. Artemis II is officially flying to the moon after firing its thrusters and leaving Earth’s orbit at 7:49 p.m. — beginning an epic four-day journey that will take the ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The crew is expected to remain close to Earth for roughly 25 hours, ...

NASA crashed a spacecraft into an asteroid in an attempt to change the asteroid’s trajectory in 2022. Now, scientific observations have shown that the mission had more far-reaching effects than ...

NASA's DART mission, which tested a planetary defense strategy, successfully changed the orbit of the asteroid Dimorphos in 2022. The mission also unexpectedly altered the orbit of Dimorphos's larger ...

NASA's DART mission, which tested a planetary defense strategy, successfully changed the orbit of the asteroid Dimorphos in 2022. The mission also unexpectedly altered the orbit of Dimorphos's larger ...