The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.
Ancient oceans, which were heavy on iron, interacted differently with light wavelengths, retracting green light into the ...
Dolphins surrounded the SpaceX capsule after it landed in the ocean on the NASA astronauts' successful journey home after ...
Astronomers believe that 14,000 undiscovered near-Earth objects like asteroids, large enough to cause damage, could be in space. Recently, NASA was tracking a large asteroid flying past Earth ...