Gullies on Mars
Gullies on Mars form during the winter, fluidized by carbon dioxide frost, and scientists monitor sites on the planet for activity throughout the year. In this mid-winter scene, a Martian…
NASA Selects New Instrument to Continue Key Climate Record
NASA has selected a new space-based instrument as an innovative and cost-effective approach to maintaining the 40-year data record of the balance between the solar radiation entering Earth’s atmosphere and…
Denman Glacier in East Antarctica
This photograph shows ripples in the surface of Denman Glacier in East Antarctica that throw shadows against the ice. The glacier is melting at a faster rate now than it…
Thousands Apply to Join NASA’s Artemis Generation, #BeAnAstronaut
More than 12,000 people have applied to join NASA’s next class of astronauts, demonstrating strong national interest to take part in America’s plans to explore the Moon and take humanity’s…
Viewing Our Galactic Center
The central region of our galaxy, the Milky Way, contains an exotic collection of objects, including a supermassive black hole weighing about 4 million times the mass of the Sun…