Interstellar comet 3I/ATLAS has given astronomers an opportunity they rarely expect to receive. Unlike the countless icy ...

One year ago, on July 1, 2025, astronomers discovered a fascinating new object moving through the solar system. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was ...

Based on the composition of gases spewed by the icy space rock, researchers estimate that our guest might be up to 12 billion ...

Strange interstellar comet speculated to be alien spacecraft is older than Solar System - Scientists say comet represents ...

The Solar System is far more diverse in size than it appears from Earth. From tiny rocky worlds to massive gas giants, each ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

Based on evidence collected by the James Webb Space Telescope, researchers have found that interstellar comet 3I/ATLAS could ...

The findings surprised researchers, who used the comet's composition to better understand the environment in which it formed.

Southwest Research Institute (SwRI) scientists are using a solar wind forecasting method combined with analytic and numerical ...

PARIS, France — An interstellar comet that blazed past the Sun last year could be nearly three times older than our Solar ...

The SOLAR-1 satellite by NOAA is now fully operational after making the million-mile journey into deep space to study space weather.

The northern lights could mean lights out for the infrastructure we rely on.