On the frozen surface of Jupiter’s moon Europa, a strange, star-shaped scar has become an unlikely focal point in the search ...
From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to come thick and fast. But when we've found it, how will we know for sure?
It looks and behaves like a comet, and all evidence points to it being a comet. But this one came from outside the solar ...
All eyes were glued to the interstellar comet on the 19th of December, as 3I/ATLAS made its closest flyby to Earth at 1.79 AU ...