Valles Marineris in imagery captured the Mars Reconnaissance Orbiter. Global topography: NASA/GSFC CTX global mosaic: NASA/MSSS/Caltech/ CTX topography: NASA/MSSS/USGS HiRISE: NASA/U.Arizona/USGS/Amaz ...

President Donald Trump's administration on Wednesday lost its appeal to lift a nationwide injunction against his executive order on birthright citizenship.

In a groundbreaking achievement, NASA successfully sent a laser message from the Psyche spacecraft to Earth, spanning 16 ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

Mars is often seen as a barren, rust-colored wasteland, but NASA’s Curiosity rover has just revealed a surprising burst of ...

Rocket Lab launched a high-resolution Earth-imaging satellite toward low Earth orbit this evening (Feb. 18). An Electron vehicle carrying the first "Gen-3" satellite for the geospatial intelligence ...

Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

NASA’s Lunar Trailblazer will map the Moon’s water, using advanced instruments and gravity-assisted navigation to unlock vital resources for future space exploration.

Astronomers have discovered what seems to be a star racing through the Milky Way at 1.2 million mph, dragging a Neptune-sized ...