Remarkable new images from NASA's New Horizons spacecraft are drastically rewriting scientists' understanding of Pluto and its large moon Charon and bolstering the case for the exploration of a host of
(CNN) — Scientists have made a discovery about the sun's "heartbeat" that they say indicates that Earth's Northern Hemisphere could experience a deep freeze in 15 years. The sun has a "solar heartbeat,"
New Horizons is the first spacecraft ever designed to reach Pluto, and the scientific information it gathers on Tuesday will eventually rewrite the textbook on this tiny icy world of which we know so The
Astronomers may have solved the decades-long cosmic murder mystery of what kills most galaxies in the universe: They are strangled to death, so they can no longer create new stars. For two decades, astronomers