A FIERY hell-world that would instantly roast visitors alive has a vast lava ocean – and may be packed with rare gems. The ...

Save up to 80% this Black Friday — plans start from $1.99 a month for two years, plus three extra months free.

Jim Foerch doesn’t go by his full name when he’s working at the Grand Rapids Public Museum. His name tag says “Mr. Jim,” which is what everyone calls him as they take in ...

Hayli Gubbi's first eruption in 12,000 years brings heavy ash to Afar and sparks viral prophecy claims, but experts say it is ...

There's always a touch of melancholy when a chapter that has absorbed years of work comes to an end. In the case of the ...

The object is the third interstellar visitor to our solar system ever confirmed. It will reach its closest point to Earth ...

A new study casts doubt on the universe’s accelerating expansion, suggesting dark energy might be weakening over time.

NASA officials dismissed theories that the interstellar 3I/ATLAS could be an alien spaceship while dropping new photos of the ...

Transporter-15 will deliver more than 100 satellites into a sun-synchronous orbit, where each will begin its own, ...

For over a century, astronomers have theorized about the universe’s first stars—massive, luminous objects forged from the ...

NASA released a trove of never-before-seen images of the interstellar comet 3I/ATLAS, unveiling new characteristics of the ...

Comet 3I/ATLAS was discovered on July 1 by the Asteroid Terrestrial-impact Last Alert System (ATLAS). Its previous best ...