A new explanation for the solar system's radioactive elements suggests Earth-like planets might be found orbiting up to 50 ...

Stars like the Sun are remarkably constant. They vary in brightness by only 0.1% over years and decades, thanks to the fusion of hydrogen into helium that powers them. This process will keep the Sun ...

SpaceX confirmed that one Starlink satellite recently exploded in orbit, and it is now tumbling to re-enter the planet.

An incredible new video taken by a NASA astronaut living aboard the International Space Station shows an epic explosion over Earth. But it’s not warfare or any other man-made horror that created the ...

Earth may owe some of its properties to a nearby star that blew up just as the solar system was forming. This pattern, which saw a supernova bubble envelop the sun and shower it with cosmic rays, may ...

Like a giant exploding ember floating in space, a planet made of molten lava and covered in active volcanoes was recently described in The Astronomical Journal. Known as TOI-6713.01, the exoplanet was ...

The Earth of today is a lush garden that supports countless living organisms, but give it a few billion years, and Earth will be swallowed up by the Sun. Or maybe not. Astronomers have discovered an ...