Humanity has already flung machines into interstellar space, but sending people is a different problem entirely. The physics ...
The comet broke into pieces after making a close approach around the sun in October 2025.
All eyes have been on the nearly 5-6 km long exocomet, including NASA’s Transiting Exoplanet Survey Satellite, aka TESS.
3I/ATLAS, the third-ever interstellar interloper since 1I/Oumuamua (2017) and 2I/Borisov (2019) entered the edge of the solar ...
NASA confirms Comet C/2024 E1's perihelion on 20 January 20 will increase brightness but limit visibility; experts urge ...
Born Oct. 23, 1893, in Estonia, Ernest Opik was based at the Astronomical Observatory in Tartu from 1921-1944. It was there in the 1920s that he began to research meteors and comets, their frequencies ...
NEW YORK — Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show opening to the public on Monday. At the American Museum of Natural History last ...