The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed predicted by standard cosmology. Using highly sensitive data from multiple ...

A new image has revealed the clearest glimpse yet of an interstellar visitor zipping through our solar system.Video above: Astronomers discover how planets formThe Hubble Telescope and its Wide Field ...

The Hubble Space Telescope has captured a stunning image of a high-speed comet traveling through our solar system. Scientists say the comet poses no danger to the Earth, and Hubble’s observations will ...

A colossal comet from another star is ripping through our solar system right now. Designated 3I/Atlas, this behemoth is up to 20 kilometers wide and traveling at a blistering 240,000 km/h on a one-way ...

Big questions about 3I/ATLAS remain, some of which may be impossible to answer — including where exactly it came from Big questions about 3I/ATLAS remain, some of which may be impossible to answer — ...