For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of light is incredibly fast to us ...

NASA has unveiled a breathtaking new image showing what appears to be a massive “cosmic hand” stretching across 150 light-years of space, created by one of the galaxy’s most powerful electromagnetic ...

New research suggests that technological civilizations in the Milky Way are extremely rare, with the closest potentially ...

There are promising signs that one of the planets in the TRAPPIST-1 star system, which lies about 40 light years from Earth, has an atmosphere capable of supporting life. But scientists will need to ...

Hubble’s latest portrait of the Tarantula Nebula reveals a turbulent star-making region far beyond the Milky Way. Located 160,000 light-years away in the Large Magellanic Cloud, this cosmic expanse is ...

A rocky planet in the Milky Way galaxy may have an atmosphere, raising the possibility that life could exist on its surface, according to experts. TRAPPIST-1e, a planet belonging to a collection of ...

"Finding a temperate planet in such a compact system makes this discovery particularly exciting." A fifth planet has been detected within the habitable zone of a neighboring star, where conditions ...