Two perplexing structures deep inside Earth might be ancient remnants of our early planet, and they could hold clues about the origin of life.
Also, what the heck is a magnetofossil?
These images help to unravel the magnetic mechanisms driving the sun's behavior and shaping the space environment throughout the solar system.
Astronomers are just beginning to scratch the surface of the complex, and sometimes violent, relationships between planets and their parent stars.
The NASA gamma-ray spacecraft Fermi may have enabled scientists to "see" dark matter, the universe's most mysterious stuff, for the first time.
Small icy moons in the outer reaches of our solar system may hide boiling oceans underneath their surfaces, a new study finds.
When last year's solar superstorm Gannon slammed into Earth, it not only painted the sky with beautiful auroras, but also shrunk one of the planet's protective layers to just one-fifth its usual size.
Chilean astrophotographer Osvaldo Castillo captured this breathtaking view.
The discovery of the skylights and their associated caves was made using archival data from three NASA missions, showing how important findings can be made years or even decades after a mission has ended.
Two cute rovers recently teamed up in a moon-like facility in search of water, to support future Artemis missions and their astronauts.
