On Nov. 27, 2001, NASA announced the first detection of an exoplanet atmosphere. Using the Hubble Space Telescope's spectrometer, astronomers observed HD 209458b, orbiting a 7th-magnitude, Sun-like ...

A Harvard scientist has suggested that the trajectory of the mysterious space lump 3I/ATLAS will bring it close enough to ...

A newly detected radio signal from 3I/Atlas matches the natural emissions of a comet, effectively ending the speculation that ...

NASA has finally published several observations of interstellar comet 3I/ATLAS that were taken during the long government ...

NASA officials dismissed theories that the interstellar 3I/ATLAS could be an alien spaceship while dropping new photos of the ...

The National Aeronautics and Space Administration (NASA) has dismissed widespread rumours claiming that interstellar object ...

An armada of space missions, including Hubble, JWST, plus assets orbiting and roving on Mars, have captured Comet 3i/ATLAS in ...

A comet hurtling through the solar system from interstellar space is exactly what it appears to be, NASA officials said Wednesday, moving to quash a wave of online speculation.

An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

On July 1, 2025, the NASA-funded ATLAS (Asteroid Terrestrial-impact Last Alert System) survey telescope in Rio Hurtado, Chile, “first reported observations of a comet that originated from interstellar ...

With the government reopened, the space agency at last released pictures captured by a fleet of government spacecraft of an ...