The subsurface ocean of Saturn's moon Enceladus seems possibly habitable in many ways. Now a new study has determined it's the right age to support life, too.
The total solar eclipse of August 22, 1142, may have coincided with the birth of the Iroquois Confederacy, oldest democracy in North America and possibly on Earth.
Scheduled for launch in 2026, the Dragonfly mission will look for clues to the origins of life, and possibly even evidence of life itself, on Saturn's alien yet remarkably Earth-like moon Titan.
Move over, Tabby's Star. The Random Transiter may now be the weirdest star in the galaxy. Kepler data revealed 28 transits in front of this star in 87 days. What caused them? Multiple planets? A disintegrating planet? Alien megastructures?
Supercomputer simulations of galaxies show that Einstein’s general theory of relativity might not be the only way to explain how gravity works or how galaxies form. The new Chameleon Theory is a possible alternative.