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 ...

China’s Tiangong space station may only be a fraction of the size of the International Space Station — but its three modules ...

The Hubble Space Telescope saw Comet 41P stop spinning completely, and then restart, but in the opposite direction.

Credit: NASA/ESA Spring is almost here, which means it's galaxy season for amateur astronomers! Grab your telescope and join ...

Euclid and NASA’s Hubble Space Telescope to feature one of the most visually intricate remnants of a dying star: the Cat’s ...

Astronomers combined observations from the Hubble Space Telescope and Euclid Space Telescope to create a striking new image of the Cat’s Eye Nebula.

A distant supernova appears multiple times in the sky after its light bends through a galaxy. The strange effect may reveal ...

NASA’s DART mission proved that a spacecraft can nudge an asteroid system in space, offering a real test of planetary defense ...