Finding Caves on the Moon Is Great. On Mars? Even Better.
The recent discovery of a large cave on the Moon highlights the importance of caves not just for future space explorers but astrobiology as well.
Cassini’s First Years at Saturn
For many years, the Cassini probe to Saturn provided a stable research platform that scientists used to transform our understanding of the ringed planet.
NASA’s Search for Life on Mars
It’s a rocky road for its rovers, a long slog for scientists—and back on Earth, a battle of the budget.
NASA’s Deepest 3D Fly-through of the Universe
From the present day all the way to less than 400 million years after the Big Bang, we're seeing how the Universe grew up like never before.
Why Hasn’t NASA Sent Anyone to Mars?
The Perseverance mission to Mars represents a considerable step forward for the space program. But are rovers as good as it gets?
How the Mercury 13 Fought to Get Women in Space
In 1962, the House of Representatives convened a special subcommittee to determine if women should be admitted into NASA’s space program.
Sidney M. Gutierrez: Shooting for the Stars
The first U.S.-born Latino astronaut to pilot a space mission blazed the long road to NASA with determination and optimism.
Is Space Too Crowded for NASA?
NASA's retirement of the space shuttle, along with the increase of commercial space firms, have ushered in a second space age. Is NASA still relevant?
How Women Helped to Develop the First Spacesuit
NASA recently cancelled an all-female spacewalk, citing a lack of spacesuits. Ironically, women played a key role in creating the very first spacesuits.