Samantha Mathewson

U.S. Vice President Kamala Harris made a special call to the International Space Station to celebrate Women's History Month and some of the ground-breaking work astronauts are doing in orbit.

A Soyuz rocket will launch 36 new satellites into orbit for OneWeb today (March 24) and you can watch online.

NASA is expected to unveil new details about the debut flight of its Mars Ingenuity helicopter during a media briefing today (March 23).

Crewmembers of the International Space Station will relocate a Soyuz spacecraft today (March 19) to make room for the arrival of Expedition 65 next month, and you can watch the whole thing live.

NASA's Juno spacecraft has detected interplanetary particles from Martian dust storms, which may cause the faint column of zodiacal light that extends up from the horizon.

NASA's Chandra X-ray Observatory has discovered the remains of a rare kind of stellar explosion near the center of the Milky Way.

NASA's Perseverance rover is slated to touch down in Mars' Jezero Crater on Feb. 18, 2021. See images of the Perseverance mission in this Space.com gallery.

NASA has delayed the launch of its first-ever planetary defense mission aimed at deflecting potentially hazardous asteroids from colliding with Earth.

From its "Name the Rover" essay contest to the "Mission to Mars" student challenge, NASA has encouraged students to get involved in the Perseverance mission landing on the Red Planet today (Feb. 18).

NASA's next Mars rover is slated to touch down on the Red Planet on Feb. 18, 2021 in a crucial "seven minutes of terror" sequence that requires a careful and precise entry, descent and landing.

NASA's "Mission to Mars" challenge offers guided educational activities for students to celebrate the upcoming landing of the agency's Perseverance rover on the Red Planet.

NASA selected Firefly Aerospace to deliver 10 scientific experiments and technology demonstrations to the moon in 2023.

Amazon's founder and CEO Jeff Bezos announced Tuesday (Feb. 2) that he is stepping down this year to focus on other initiatives, including his spaceflight company Blue Origin.

The seven rocky planets orbiting the red dwarf star TRAPPIST-1 have remarkably similar densities, suggesting they likely have similar compositions, too.

A new space policy highlights the fundamental role of Global Positioning Systems (GPS) in securing the United States' safety and economic growth.

A citizen scientist group has created the most complete map to date of brown dwarfs neighboring our solar system.

SpaceX has been selected to launch MethaneSAT’s newest methane-tracking satellite in 2022.

A rocky exoplanet known as TOI-561b was found circling one of the oldest stars in our Milky Way galaxy. The exoplanet is about 50% larger than Earth.

Scientists have uncovered new details about the mysterious origin of seismic activity on the sun during solar flares.

Photos from NASA's Hubble Space Telescope show the Stingray nebula fading at an unprecedented rate.

NASA astronaut Kate Rubins harvested fresh radishes grown in space, opening new doors for producing food in microgravity to sustain future longer-term missions to the moon and Mars.

Jupiter and Saturn will align in the night sky today (Dec. 21) in an event astronomers call the "great conjunction," and you can watch it online with a host of webcasts.

Jupiter and Saturn will align in the night sky on Dec. 21 in an event astronomers call the "great conjunction" marking the planets' closest encounter in nearly 400 years.

SpaceX shared amazing footage of its Starship rocket as it belly-flopped through the atmosphere and exploded upon touchdown.

Skywatchers in southern South America were treated to a total solar eclipse on Monday (Dec. 14), and a weather satellite captured stunning views of the event from space.