Fantasizing about interplanetary exploration is a fun mental exercise, but the harsh realities of life (or lack thereof) in ...

Astronomers have discovered that the sun had a close encounter with two blazingly hot massive stars around 4.4 million years ...

New images taken by the Hubble Space Telescope and a Jupiter-bound mission showcase interstellar comet 3I/ATLAS ahead of its ...

New images from ESA's Juice probe and Hubble reveal a rare double tail on interstellar comet 3I/ATLAS as it approaches Earth ...

Harvard scientist Avi Loeb said the amounts of methanol and hydrogen cyanide present from the gas plumes by 3I/ATLAS may ...

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

Interstellar visitor 3I/ATLAS erupted with violent ice volcanoes, shifting from quiet ice ball to active body, sparking ...

Neutral summary of 3I/ATLAS anomalies, detailing unusual trajectory, mass, jets, gas composition, and non-gravitational ...

ESA's JUICE spacecraft captures a stunning image of interstellar comet 3I/ATLAS, providing rare insights into a visitor from ...

Thanks to a recent geomagnetic storm, some Americans will be able to see the northern lights on Dec. 8 and Dec. 9.

Harvard astrophysicist Avi Loeb proposes that the interstellar object 3I/ATLAS emits a 'heartbeat'-like pulse, suggesting it ...