Science & Astronomy

There simply isn't enough normal matter to account for the amount of gravitational force needed to hold the universe together, meaning dark matter must be prevalent.

NASA's dummy Moonikin Campos is resting inside the Orion spaceship during the Artemis 1 lunar roundtrip in a new image released by NASA.

Ground has finally been broken today at two sites in Africa and Australia that will host the Square Kilometer Array Observatory (SKAO), the largest radio telescope in the world.

A plume of searing hot rock as wide as the continental U.S. is rising up from near the core of Mars and might help explain recent volcanism and earthquakes seen at the Red Planet, scientists say.

The team behind NASA's Lucy asteroid mission is resuming work with the spacecraft to fully deploy and latch its second solar array after a recent successful Earth flyby.

Astronomers observed a major eruption from a volcanic comet flying through the solar system, likely spewing more than 1 million tons of debris into space.

A new image shows the exposed heart of a distant galaxy in stunning detail, demonstrating the promise of a recent addition to the Very Large Telescope.

Using data from the Hubble Space Telescope, astronomers have created a stunning image of a cosmic fireworks display resulting from the explosion of a massive star.

A new image of the closest star-forming nebula to Earth shows the effect massive stars have in transforming the region.

Hawaii's Mauna Loa erupts for the first time in decades, a meteorite contains two minerals new to science and a stellar bridge connects two galaxies. These are some of this week's top photos.

The Andromeda galaxy has a history of galactic "cannibalism," the James Webb Space Telescope beholds Saturn's moon Titan and Artemis 1 is officially coming back to Earth. These are some of this week's top stories.

Two major NASA missions that have launched in the past year are revealing a communications weakness in space.

A Martian megatsunami may have raced across the Red Planet after a cosmic impact similar to the one that likely ended Earth's age of dinosaurs, a new study finds.

A newly released photo from the Hubble Space Telescope captures a spectacular galaxy merger in progress.

A new interactive map of the cosmos allows users to journey from our galaxy to the most distant sources of light that existed just after the Big Bang.

Meteorites that fall to Earth are ancient time capsules, and scientists who merged two imaging techniques may be able to tell us if and how they brought water to Earth.