Planets that once lived only in pulp novels and movie concept art are now turning up in real data. Astronomers are not just ...

Scientists have identified an unexpected way to study the hidden space weather of distant stars by observing strange, ...

WASHINGTON, July 7 (Reuters) - Scientists are tracking a large gas planet experiencing quite a quandary as it orbits extremely close to a young star - a predicament never previously observed. This ...

Astronomers have spotted an alien planet orbiting so closely to its home star, the planet's magnetic field is triggering massive solar flares to erupt. This is the first time a planet has been seen ...

Astronomers have detected a 'coherent' radio signal from a distant planet, reigniting hope for the existence of extraterrestrial life. The signal is thought to originate from a far-off, Earth-sized ...

Humans should look to planetary alignments outside of the solar system when searching for signatures of extraterrestrial communications, scientists say. The nascent search for radio transmissions from ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But not everyone agrees that it signals life. An illustration shows what ...

The Search for Extraterrestrial Intelligence (SETI) focuses on finding technosignatures—potential signs of alien technology. If we look carefully, we might have a chance at detecting their ...