The temperature of some sub-Neptunes could rise to several thousand degrees, turning the ground into a lava bath.

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Looking up reveals nature’s skylight, framing Arizona blue against fiery red stone in perfect composition. Photo credit: ...

Astronomers have sharply revised down the mass of nearby super Earth GJ 3378b, dramatically improving its prospects as a ...

To spend time with Matt Bellamy is to lie down willingly in the fast lane of the information superhighway. Within moments of settling into the corner table of a Primrose Hill café, the dressed-down ...

As the band release their 10th album, its frontman talks about the human need for a higher power - from AI to aliens - and ...

MIAMI, Fla. (TNND) — Scotland's World Cup match against Brazil was expected to attract plenty of attention -- but an anticipated alien invasion was not on the list. In the days leading up to Wednesday ...

A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be older than our Solar System, according to a new study. The comet, first ...

An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar system and is unlike anything ever before seen in our cosmic backyard, ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other solar systems, even if that was not their original intention. Five robotic ...