Extraterrestrial Life

UFOs in night sky over city

UFOs: Here’s how NASA plans to get to the bottom of unexplained sightingsSeptember 20, 2023

A silhouette of a couple looking up at the Milky Way.

Extraterrestrial Life

Scientists create ‘cookbook’ for life, with implications for extraterrestrial existenceSeptember 19, 2023

NASA downplays theory UFO sightings are aliens: ‘No reason to conclude extraterrestrial source’September 14, 2023

Breakthrough Listen uses radio telescopes to monitor emissions from hundreds of star systems near Earth in search of narrowband signals that could be intentional communications or radio leakage from civilizations on other planets

Extraterrestrial Life

New Technique Can Detect Genuine Radio Signals From Alien Civilizations In Our GalaxyAugust 30, 2023

Artist's impression of the Japanese spacecraft Hayabusa touching down on the asteroid Itokawa in 2005.

Extraterrestrial Life

Table Salt With Cosmic Twist: Asteroid Samples Unveil Water’s Ancient Journey To EarthAugust 29, 2023

NASA's Curiosity Mars rover

Muddy Clue From NASA’s Curiosity Rover Suggests Mars Once Had Flash FloodsAugust 14, 2023

LP 791-18 d, illustrated here, is an Earth-size world about 90 light-years away.

Planets & Stars

New Earth-Sized Exoplanet Discovered: Could This Volcanic World Hold Secrets to Alien Life?August 8, 2023

Stock image showing silhouettes of satellite dishes or radio antennas against night sky.

Extraterrestrial Life

Mysterious Radio Signals from Distant Galaxy May Hold Clues to Extraterrestrial CommunicationMay 11, 2023

Karl G. Jansky Very Large Array.

Extraterrestrial Life

Hunt For Extraterrestrial Life: Powerful Radio Telescopes Join Search For Alien SignalsMay 1, 2023

Salt Water Discovery on Mars: A Potential Clue to Life on the Red PlanetMay 1, 2023