From plasma engines that could turn months of travel into weeks to the first blueprints for ships that will outlive their ...

Just 25 light-years from Earth, astronomers have watched a planetary system tear itself apart in real time, catching the ...

The latest visitor from deep space is leaving a mark that stretches far beyond its icy core. Interstellar comet 3I/ATLAS is ...

Researchers are keeping an eye on the building-sized asteroid 2024 YR4, which has a 4 percent chance of hitting the moon seven years from now.