In the balmy late summer of 1924, people across the world prepared to receive the first messages from the intelligent alien civilization that was assumed to inhabit Mars. To tune in to these Martian ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest observations will be made.

Cape Canaveral, Fla. — A comet from another star system will swing by Mars on Friday as a fleet of spacecraft trains its sights on the interstellar visitor.

Its closest approach to Earth will occur in December, passing at a distance of 167 million miles (269 million kilometres). Observations by the Hubble Space Telescope suggest the comet's nucleus ...

Heads up, space fans: interstellar comet 3I/ATLAS, discovered just this July, is zooming past Mars on October 3, 2025. It's moving nearly twice as fast as previous interstellar objects. Spacecraft and ...

According to the work of the National Aeronautics and Space Administration (NASA) and a key analysis by scientists at Imperial College London, a number of minerals and organic substances have been ...

For years, scientists staring at Mars through the eyes of orbiting spacecraft noticed something strange: a mysterious signal in the light spectrum that didn’t match any known mineral. That puzzling ...

University of Arkansas researchers have discovered geological formations on Mars that suggest the planet may have once had an ocean.

New questions emerge as an “extremely puzzling" discovery challenges our current ideas about the interstellar object 3I/ATLAS.

NASA's Perseverance rover may have uncovered hints of ancient Martian life, but China's Tianwen 3 mission could be the first to deliver samples back to Earth.

It's not the first time there have been claims of signs of life on Mars, so why are scientists particularly thrilled now?

NASA’s Perseverance rover, in its exploration of Mars, has unearthed potential signs of ancient life within Martian rock. This discovery may represent the most compelling evidence to date of past life ...