Harvard astrophysicist Avi Loeb suggests interstellar object 3I/ATLAS could be far more massive than previously thought.

Imagine looking up at the night sky and spotting a huge, mysterious interstellar object racing through space, coming from far beyond our solar system. It is moving fast, and it seems to be heading in ...

3I/ATLAS first made news in July when scientists confirmed it as the third-ever observed interstellar interloper in our solar system. The space object further attracted the public's fascination again ...

A mysterious object from interstellar space is screaming through our solar system right now, and is expected to rip past Mars and Jupiter over the coming months before exiting back into the void ...

A black hole with a mass equivalent to 36 billion suns—10,000 times heavier than the one at the center of the Milky Way—has been discovered around 5 billion light-years from Earth. It may be the ...

Astronomers have found something strange in the James Webb Space Telescope's first images of interstellar comet 3I/ATLAS as it hurtles toward our sun, according to a new study. The telescope's initial ...

"This is amongst the top 10 most massive black holes ever discovered, and quite possibly the most massive." About 5 billion light-years away from where you're sitting, in one of the most massive ...

NASA has issued a chilling update on the mysterious 'interstellar object' racing through our solar system. The visitor from another star, dubbed 3I/ATLAS, was first spotted on July 1 as it reached 420 ...

NISAR, a giant orbiting antenna 39 feet in diameter, will monitor changes to glaciers, forests, and the Earth’s crust, providing data to help improve infrastructure and disaster responses.

"To do the bread-and-butter part of our job, as a scientist, the numbers that you send out have to really be well-measured, well-understood," Ajhar said. "And that takes a lot of time." Original ...