Aliens exist - they just haven't visited Earth, NASA veteran Dr Gentry Lee has claimed.

NASA has given a hilarious response to President Trump following his demand for UFO files - and it dashes hopes of an ...

American space agency NASA announced it found a new way to allow the Perseverance rover to determine its position on Mars by itself.

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

The discovery of the molecules was made with Nasa’s Curiosity rover, which examined a Martian rock named Cumberland. This is ...

American air force accused of sharing fake news around extraterrestrial activity to divert attention from its ‘nefarious ...

Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

Gravitational anomalies detected by NASA and the German Aerospace Center’s GRACE satellites confused scientists for years.

Trump's comments came hours after he claimed that former President Barack Obama shared 'classified information' when he told ...

Why it matters: While not evidence of life, these discoveries show that ancient Mars had complex organic chemistry, ...