A new analysis of a peculiar metallic cloud surrounding the exoplanet WASP-49 b provides further evidence that it may have ...

Thought up back in 1978 by NASA scientists Donald Kessler and Burton Cour-Palais, the Kessler syndrome says that humanity is ...

A chunk of the moon that may have broken away from the lunar surface millions of years ago appears to be orbiting our planet ...

Astronomers have discovered a planet orbiting the closest solo star to Earth. The solo star, which is known as Barnard’s star ...

Satellite history is littered with "firsts." Many early space launches constituted key moments in the Cold War space race and ...

humans have put tens of thousands of objects in Earth’s orbit. Each dot represents one of 9,000 satellites orbiting the Earth. They enable modern necessities such as cell phone signals ...

The growing number of rocket launches and satellites burning up in Earth's atmosphere could trigger the world's next big ...

SpaceX's Starlink satellites now make up 40% of reentering satellite debris. But is Elon Musk's space company the worst ...

For the next two months, Earth will have a cosmic guest. A so-called “mini moon” will join our actual moon in circling the ...

Or maybe not. Astronomers have discovered an Earth-like world 4,000 light-years away that shows another way forward. This world remains intact, orbiting an ancient white dwarf that was probably ...

The reason it's so marvelous is that tiny exoplanets are really, really hard to find. Although Barnard b is not habitable to ...

Satellites orbiting close to Earth will be tested by PwC spin-off Scyne Advisory to see if they can handle mobile phone calls ...