In the spring of 1967, a series of unusual sightings began to grip the ...

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

The Roman Space Telescope's next generation coronagraph instrument will help deliver amazing views of exoplanets. Learn how it works. NASA's Nancy Grace Roman space telescope will send the hunt for ...

If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 ...

Donald Trump’s pledge to release official files relating to UFOs has intrigued conspiracy theorists who suspect the US government has hidden evidence of alien activity on Earth.

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

When a mysterious crescent appeared over Moscow in 1967, alien enthusiasts were unaware they were actually tracking a 3-megaton weapon designed to bypass American radar.

Deep Space Nine was under a mask for a majority of that show, but has appeared in a handful of non-Trek projects.

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

President Donald Trump will deliver the first State of the Union address of his second term to a joint session of Congress.