Astronomers may have found an exciting new clue about dark energy—the mysterious force driving the universe’s accelerating expansion. They discovered an extraordinarily bright supernova from more than ...

The Small Magellanic Cloud (SMC) is one of the Milky Way's closest galactic neighbors—a small, gas-rich galaxy visible to the ...

Hubble Space Telescope imagery Neptune has revealed that the planet's clouds are disappearing. Credit: NASA Goddard Space ...

The local universe may be expanding more slowly than previously thought, a discovery that could relieve a pesky discrepancy ...

Astronauts on board China's space station plucked a "bumper crop" of "space tomatoes" from vines that were grown inside a ...

A telescope in Chile has revealed the swirling splendor of star-forming gases at the heart of our Milky Way galaxy ...

A thick layer of haze around the ultra-low-density planet Kepler-51d likely obscures not only the strange planet's ...

Surrey Satellite Technology (SSTL) is joining Lazuli, an initiative of the Eric and Wendy Schmidt Observatory System, which aims to deliver a privately funded telescope into deep space.

Astronomers have discovered a bizarre exoplanet with a giant underground ocean of magma that traps sulphur and may represent an entirely new class of worlds.