Traveling between planets is far more difficult than most people imagine. Even with modern rockets, journeys across the solar system take months, years, or even decades depending on planetary ...

NASA's Crawler-Transporter 2 will soon move the Artemis II rocket and Orion spacecraft from the Vehicle Assembly Building to pad 39B ahead of launch.

Mars didn’t always look like the barren world we see today. Over billions of years, the Sun’s solar wind stripped away much of its atmosphere, helping transform it from a warmer, wetter planet into a ...

Two unearthed episodes, which were discovered in film canisters wrapped in plastic bags among the possessions of a dead ...

Bacteria and the viruses that infect them are perpetually at war. Their deadly clashes push both kinds of microbes to evolve ...

The asteroid impact that wiped out the dinosaurs didn’t keep life down for long. New research shows that microscopic plankton began evolving into new species within just a few thousand years—and ...