Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies ...

Astronomers tallying up all the normal matter—stars, galaxies and gas—in the universe today have come up embarrassingly short ...

Using data from space telescopes and other instruments, astronomers, cosmologists, and astrophysicists are able to deduce and ...

Neutrinos, elusive fundamental particles, can act as a window into the center of a nuclear reactor, the interior of the Earth ...

Astronomers have discovered that super-Earth exoplanets are more common across the universe than previously thought. While it can be relatively easy to locate worlds that orbit close to their star, ...

"With only lunar soil and a basic ingredient from the sun — which is always spitting out hydrogen — there's a possibility of ...

The "Blue Marble" was the first photo of the whole Earth and the only ever taken by a human. Fifty years on, new images of ...

On April 24, 1990, the Space Shuttle Discovery blasted off from Kennedy Space Center, carrying the new Hubble Space Telescope ...

Cosmologist Katie Mack breaks down what the latest findings about dark energy mean for our universe’s future. Either way, it won’t be happy.

This week brings the Hubble Space Telescope's 35th birthday – but instead of getting presents, the Hubble team is giving out ...

For decades, scientists have known that ordinary matter — everything made of atoms — accounts for just 15% of the universe’s ...