On Dec. 18, 1999, NASA launched its flagship Terra satellite into Earth's orbit to collect data about Earth's changing climate. Terra contains five different sensors that monitor Earth's atmosphere, ...

Astronauts visiting the International Space Station (ISS) typically spend about six months there before returning to Earth, ...

NASA has just turned the entire sky into a kind of infrared rainbow, capturing it in 102 distinct colors that reveal ...

Wondering if banks are open on Christmas Eve 2025? Here’s which branches are operating and what hours to expect.

U.S. and Chinese satellites routinely spy on each other in orbit, rehearsing for more aggressive operations in the event of ...

Interstellar comet 3I/ATLAS makes its closest approach to Earth on Dec. 19. Here's how you can track its progress both during ...

The science is in: Being generous is good for all of us. Give by December 31, and our founding donors will match your gift, ...

Firefly Aerospace Inc. (NASDAQ:FLY) is one of the best aerospace and defense stocks to buy according to Wall Street analysts.

Three new titles from Smithsonian Books. Smithsonian Books. Holiday shopping can be fun and easy with these recommendations ...

The 2026 Mercedes-Benz CLA-Class — the automaker’s entry-level model for the United States — launches as an EV (a hybrid will ...

Joby Aviation, Inc. , a company developing electric air taxis for commercial passenger service, today announced a partnership with Metropolis Technologies, Inc., a leader in applied AI for the real ...

Trump said the US needs Greenland for ‘national protection’, adding: ‘We have to have it.’ This has unsurprisingly angered ...