Harvard's Avi Loeb says a rare sun alignment on 22 January could prove interstellar visitor 3I/ATLAS is an alien spaceship.
Two Americans and astronauts from Japan and Russia landed in a SpaceX capsule in the Pacific Ocean after a medical issue ...
New photos show off NASA's newly constructed Roman Space Telescope, which will soon help researchers unravel the mysteries of ...
Though 3I/ATLAS poses no threat to Earth or our satellites, its journey highlights how the networks we built for planetary ...
Those concerned that 3I/ATLAS' arrival to our solar system meant that some sort of alien invasion was imminent can breathe a ...
The United States is stepping back from the most direct test yet of possible alien biology on Mars just as new telescopes and ...
In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...
Interstellar comet 3I/ATLAS has gone from obscure visitor to front‑page mystery, as a cascade of new images reveals behavior ...
A dedicated scan for signs of radio-transmitting technology in interstellar comet 3I/ATLAS has come back with absolute ...
The past 12 months have read like a science-fiction novel, with thousands of UFOs swarming over the US East Coast, an ...
Two space telescopes really are better than one. This month NASA released a new image that combines observations from the James Webb Space Telescope (JWST) and the Chandra X-ray Observatory of two ...
The aspiration of returning American astronauts to the moon has been in limbo for decades, as plans have been embraced and rejected from one presidential administration to the next. In 2026, however, ...