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

Scientists say interstellar object 3I/ATLAS shows unprecedented chemical and dynamical anomalies, challenging comet formation theories and potentially reshaping space science.

A new study revisits ancient Chinese records to explore whether a comet could explain the Star of Bethlehem described in ...

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

Dark matter is special in that it doesn't emit, absorb or interact with light, so science had to find a more creative way to ...

A newly analyzed planetary system has turned up a world orbiting at such a skewed angle that it defies the neat textbook ...

“The fact that we can now watch stars explode and immediately see the structure of the material being blasted into space is ...