Space
A giant impact 3.8 billion years ago sent a curtain of rock flying away from a point near the moon’s south pole. When that…
Underground pools of liquid brine probably formed 4.6 billion years ago on the parent body…
NATIONAL HARBOR, MD. — A bright blip in a distant galaxy may link two mysterious…
The Milky Way keeps its planets close to its chest. Stars in a thin, flat…
NATIONAL HARBOR, MD. — For the first time, astronomers have taken a direct look at…
An undiscovered population of ancient black holes may be lurking throughout the universe. These bottomless…
Pluto and Charon’s meet-cute may have started with a kiss. New computer simulations of the…