The center of the Milky Way is super bright because it’s packed with a lot of stars and a supermassive black hole. That black hole, called Sagittarius A*, is millions of times bigger than our sun! It ...

Astronauts witnessed the brightest comet of 2025 from space as it streaked across the sky above Earth. A new photo taken from the vantage point of the International Space Station (ISS) captures the ...