Samantha Mathewson

The winter solstice marks the official start of the astronomical winter, as the sun reaches its most southerly point in the sky as seen from Earth. This seasonal change occurs on Dec. 21, 2024.

NASA's Orion spacecraft recently completed an 11-month test campaign, during which it was subjected to extreme conditions of a launch abort scenario and electromagnetic effects of lightning strikes.

SpaceX is hoping to officially make its Starbase launch site a new city in South Texas.

An Astrobee robotic free-flyer with tentacle-like arms was tested in a demonstration experiment aboard the space station.

A relic galaxy has been uncovered from the early universe, revealing new clues about what our own Milky Way galaxy may have looked like back then.

A total of 50 nations have now joined NASA's efforts to establish peaceful and cooperative international space exploration.

A grand spiral galaxy takes center stage in a new image from the Hubble Space Telescope.

A SpaceX Falcon 9 rocket illuminated the Christmas tree during the holiday lighting ceremony that coincided with a Starlink satellite launch at Vandenberg Space Force Base on Dec. 4.

Construction of the world's largest telescope moves forward with progress of the dome and housing for the primary mirror.

On Sunday (Dec. 8), the moon will pass near Saturn, sharing the same right ascension in an event known as a conjunction. Viewers can expect to see the moon near Saturn shortly after sunset.

Jupiter will reach opposition on Dec. 7, rising opposite of the sun as seen from Earth. It will also make its closest approach to us, appearing brighter in our sky.

Satellites watched bright burning lava surge toward Iceland's Blue Lagoon following a volcanic eruption on the Reykjanes Peninsula.

NASA's Europa Clipper mission has successfully deployed its magnetometer's boom and several antennas for its radar instrument as it continues on its journey toward Jupiter's ice-covered moon.

NASA telescope spotted a glowing nebula that looks like a guitar shredding rapid pulses of stellar material through space like soundwaves through a packed concert stadium.

NASA has awarded $11.5 million to five organizations that will contribute to the study of new design concepts for more sustainable aircraft.

NASA is seeking the public's help creating emergency response plans for future missions to the moon.

SpaceX is targeting Tuesday (Nov. 19) for the launch of its sixth Starship flight test, during a 30-minute launch window that opens at 5 p.m. EST (2200 GMT).

"This project elevates Native culture and voices in a society where Native populations are underrepresented in STEM fields."

The sun may have swirling polar vortices similar to those on Earth, but powered by a very different source, according to a new study.

The Hubble Space Telescope has captured two tangled galaxies, whose interactions have caused knots to form in the constellation Coma Berenice, or the "queen's hair."

NASA's Juno spacecraft has sent back stunning photos of Jupiter, including colorful, chaotic storms swirling through the planet’s atmosphere.

Boom Supersonic's XB-1 aircraft set a new speed record during its latest test flight on Nov. 5, marking a major milestone toward flying at supersonic speeds.

University students tested 3D-printed rovers designed to emulate Europe's Rosalind Franklin ExoMars rover that is slated to launch to the Martian surface by 2028.

A celestial light show illuminates a distant spiral galaxy, where a hidden supernova briefly outshines its stellar neighbors in a new image from the Hubble Space Telescope.

"This is incredibly exciting, as up to now we have not had a tool for detecting plastics in coastal environments from space."