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 have nonetheless provided scientists with invaluable real estate to conduct ...

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 ...

NASA’s James Webb Space Telescope Optical Telescope Element Pathfinder and Parker Solar Probe models are now on permanent display at the Smithsonian’s Udvar-Hazy Center, providing insight into testing ...

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

Astronomers have discovered the brightest fast radio burst ever detected and traced it to a nearby galaxy using a new network of CHIME Outrigger telescopes. The flash, nicknamed RBFLOAT, lasted only a ...

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 Eye Nebula, also known as NGC 6543. This extraordinary planetary nebula lies ...