From fiery 'blood moons' to ancient legends, discover the surprising science and history behind lunar eclipses.

The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking Earth eight years from now.

SPHEREx hopes to solve some of the universe's biggest mysteries, while PUNCH will study the sun’s outer atmosphere, the ...

In many ways it’s a good thing sound doesn’t travel through space: if it did, the Sun would be blaring out at around 100 decibels 24/7. That’s the same volume as standing next to a speaker ...

the barycenter resides so close to the center of the sun that we don't even notice the slightly off-kilter orbit. It seems like we circle the star. It all depends on where you believe space begins ...