If you've been following exoplanet research over the last couple of years, you've definitely heard of K2-18b. Located 124 ...

Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But ...

The moon and Pleiades will glow together on Feb. 23 in a striking skywatching display.

Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

The total lunar eclipse occurs around the March full moon phase, as the sun, Earth and lunar disk align.

Long ago, this nation was known as the land of the samurai. The dream-filled Edo skies, upon which the samurai once gazed, are now filled with the ships of the Amanto, beings that suddenly invaded and ...