In a quiet corner of an ancient riverbed on Mars, a speckled rock has pushed the search for extraterrestrial life into its ...

The British military thought there was ‘basis in fact’ to UFO sightings and wanted to get their hands on the ...

Scientists used the 100-metre Green Bank Telescope to look for alien signals but detected no radio signals from 3I/ATLAS.

In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an ...

Recent scans of interstellar visitor 3I/ATLAS by the Green Bank Telescope show no radio signals, yet astronomers argue it is ...

As this interstellar object approached its closest point to Earth, a massive radio telescope attempted to sniff out a ...

In a quiet riverbed carved into the Martian surface, a patch of layered stone may hold a clue to one of science’s most ...

Researchers have confirmed the mass of a free-floating planet thanks to a lucky convergence of ground- and space-based ...