NBC News' Gadi Schwartz reports on "3I/ATLAS," a mysterious outer space object that is thought to be billions of years old, ...

The mysterious space rock suggested to be a hostile alien spaceship was due to make its closest approach to Earth today (Dec ...

PUNCH Spacecraft Show First Complete Images Of Sun’s Corona And Solar Wind Together In A Nutshell Four suitcase-sized ...

NASA's Perseverance Mars rover may soon set a record for the longest distance driven on another planet.

But that’s nothing compared with PSR J2322-2650b, an object the mass of Jupiter studied recently by the James Webb Space ...