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

"It’s kind of a jigsaw puzzle where all the different pieces are moving." ...

XRISM's Xtend telescope captured the first X-ray image of interstellar comet 3I/ATLAS, revealing a faint X-ray glow and ...

A new study, published in The Astrophysical Journal, has unveiled a fascinating discovery about our solar system’s past.

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

Two massive hot stars brushed very close to our Sun, leaving behind a trace in the clouds of gas and dust that lay beyond our system.

The interstellar comet has been observed emitting X-rays, according to Japanese scientists. They observed the comet over two ...

NASA has announced when the longest total solar eclipse of the century will occur—and you won’t have to wait long. Here’s ...

Interstellar Comet 3I/ATLAS is nearing Earth. Hubble and Juice captured new images, revealing an alien object with a strange CO2 composition.

Interstellar comet 3I/ATLAS is a chemical goldmine, holding life's building blocks four times richer than local comets.

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

The sheer speed is almost incomprehensible — a celestial bullet hurtling through the vacuum of space, carrying secrets from a ...