The LHS 1903 system defies expectations with a rocky outer planet, prompting new ideas about how planets form and evolve.

Astronomers have discovered a remarkable planetary system where three very different objects orbit a distant star—and their ...

An interstellar comet changed its chemistry after passing the Sun, revealing hidden layers and a surprising mix of carbon ...

A new study suggests alien life may be easier to detect through clusters of similar planets rather than single biosignatures.

A research team has developed a new approach to detecting life beyond Earth that does not rely on identifying specific ...

A driver has described spotting what looked like a "huge" meteor soaring through the atmosphere. Eleanor Higgs was on the ...

A new study proposes detecting life in space by spotting patterns across many planets instead of focusing on one at a time.

Comet 41P/Tuttle-Giacobini-Kresak has begun acting a little unusually, but there are likely natural explanations before we go ...

Space travel is making headlines, but a local analysis reveals New Jersey's surprising spot as a UFO hotspot, with over 3,000 ...

For a long time, it was thought that this [technique] required telescopes in space,” says John Mather, the Nobel ...

"While it's hard to say what makes something more likely to have life, identifying where to look is the first key step." When you purchase through links on our site, we may earn an affiliate ...

Cue the curiosity surrounding extraterrestrial life. The U.S. Department of Homeland Security has registered two new federal domains, including Alien.gov and Aliens.gov, though the websites aren't ...