Our planet Earth and Mercury have invisible tails stretching millions of kilometres. These cosmic tails are real phenomena.

It's unlikely you'll be able to walk outside and see a line of planets, but according to NASA, a seven-planet parade happening tonight could be visible in some form in parts of the U.S. The ...

NASA's Perseverance rover has for the first time helped scientists confirm that electrical sparks often ignite within ...

Data from the James Webb Space Telescope suggests that exoplanet TOI-561 b is surrounded by a thick atmosphere above a global magma ocean.

NASA has discovered a “super-Earth” that may be habitable — and it’s “only” 137 light-years away. “By astronomical standards, that’s not too bad!” the agency insisted on X about the planet dubbed ...