A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

Firefly Aerospace's Blue Ghost lander, a private spacecraft hired by NASA to take experiments to the moon, got a rare front-row seat of the spectacle in space. The phenomenon occurred when the blue ...

Asteroids fly by Earth on a regular basis, and most of them are of no concern whatsoever ... while the stars appear to move in the background. Any telescope on the planet can contribute to ...

A new study implies that in the past, moons in our solar system may have had rings just like planets do — deepening the mystery of why no ringed moons ... including Earth and the moon.

Elon Musk is now considered a “special government employee” by the White House. But exactly what kind of access that provides ...

One of Elon Musk's DOGE staffers left CNN hosts shocked by his X-rated online pseudonyms as another resigns over racist ...

In the more than 60 years in which scientists have engaged in the Search for Extraterrestrial Intelligence (SETI), several potential examples of technological activity ("technosignatures") have been ...

Some media reports and popular accounts on social media have claimed that Israel detonated a low-yield tactical nuclear ...

China's tariffs - due to begin next Monday - would also apply to US oil and farm machinery, but more talks are due this week.

Thirty years after the discovery of the first exoplanet, astronomers have detected more than 7,000 of them in our galaxy. But there are still billions more to be discovered. At the same time, ...

(CNN) — If the near-Earth asteroid Bennu were to collide with Earth in the future, the space rock could cause substantial global damage, even though it’s a fraction of the size of the asteroid ...