Samantha Mathewson

A recent study suggests the aurora-like STEVE and "picket fence" phenomena are generated by low-altitude electric fields parallel to Earth's magnetic field.

Humpback whale "conversations" provide valuable insight on how humans may one day communicate with life beyond Earth.

European astronaut Andreas Mogensen captured amazing photos of giant icebergs floating in the South Atlantic from his perch aboard the International Space Station.

The Australian Space Agency has named its first lunar rover Roo-ver, which will launch to the moon as early as 2026 in partnership with NASA's Artemis program.

Former NASA astronaut Mike Massimino shares lessons learned during his career and how they can be applied in his new book, "Moonshot: A NASA Astronaut's Guide to Achieving the Impossible" out Dec. 5.

New images from NASA's Mars Odyssey Orbiter capture what the Red Planet would look like from the vantage point of a spacecraft orbiting the Red Planet.

The European Southern Observatory shared a mesmerizing new photo of the Milky Way shining above Valle de la Luna, meaning "Valley of the Moon," in Chile's Atacama Desert.

The world's largest iceberg, known as A23a, has broken loose and is moving past the northern tip of the Antarctic Peninsula in new satellite images from the Copernicus Sentinel-1 mission.

The Hubble Space Telescope has observed a double whammy — two independent galaxy clusters grouped together in the same view.

A new photo from the European Southern Observatory’s Very Large Telescope captures the Vela supernova remnant, the result of a stellar explosion that happened 11,000 years ago.

The final four names are "Coolamon," "Kakirra," "Mateship" and "Roo-ver." The public can vote for their favorite through Dec. 1.

SpaceX shared incredible photos from the second test flight of its Starship megarocket over the weekend, including views of its 33 first-stage Raptor engines igniting for liftoff.

Satellites observed a coronal mass ejection on Wednesday (Nov. 15), capturing a bright burst of super-hot plasma that warped the sun's magnetic field.

A new calibration technique allowed the ALMA radio telescope to capture its highest-resolution image ever, featuring a star in the final stages of its evolution.

NASA has simulated the environmental effects of landing on the lunar surface as the space agency prepares to send astronauts back to the moon on its upcoming Artemis missions.

The Hubble Space Telescope has captured a striking new view of a distant spiral galaxy whose star-studded arms are all tangled up.

NASA astronaut Peggy Whitson and the Double Asteroid Redirection Test (DART) team have been awarded this year's Michael Collins Trophy for their achievements in space.

NASA's first robotic moon rover is ready for final assembly and testing, and you can watch engineers bring the lunar explorer to life.

The Hubble Space Telescope snapped a new view of a hazy spiral galaxy that once hosted a supernova explosion.

Data from the Surface Water and Ocean Topography (SWOT) satellite was used to map surface heights of the planet's oceans and freshwater lakes and rivers.

The steel skeleton of the world's largest visible- and infrared-light telescope is illuminated by the rising full moon in a gorgeous new photo from the European Southern Observatory.

A new photo from the Hubble Space Telescope captures a face-on view of the Spanish Dancer galaxy, formally known as NGC 1566, located in the Dorado constellation.

NASA's newest X-ray space telescope has captured the X-ray "bones" of a cosmic hand in deep space.

NASA's Juno mission captured a new image of Jupiter's far northern region, where the swirling cloud tops and turbulent storms resemble an eerie, elongated face.

A new camera designed for upcoming crewed missions to the moon has been tested by astronauts in lunar-like environments on Earth.