Created by the solar wind — a stream of charged particles constantly pouring out from the sun — the heliosphere acts as a ...

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But ...

While aliens in science fiction hop between planets on vast spaceships, scientists say real-life extraterrestrials might take ...

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's observations.

Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the sun.

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar ...

Analysis by The Atlantic found that two sizeable bets were placed on prediction market Kalshi in short succession this week.

Scientists at MIT have found compelling chemical evidence that Earth’s earliest animals were likely ancient sea sponges.

On Monday night, someone placed a peculiar bet on the prediction market Kalshi. At 7:45 p.m. eastern time, a single trader put down nearly $100,000 on the claim that, by the end of December, the Trump ...

Green Lantern has countless creative and grand tales that push the boundaries of science fiction storytelling.

Aliens exist – they just haven't visited Earth, a NASA veteran has claimed. Dr Gentry Lee has worked at the US space agency since 1968, when he first got involved with the Viking mission to Mars. He ...