Mercury: Facts about the smallest planet

Full lunar eclipse to bring super blood Moon. One of our planet's most stunning sights is coming to the skies. Falling fully into Earth's shadow, the Moon will slowly darken before turning dusky red.

Life Unlikely: Meteorite From Mars Indicates Limited Water Circulation Late in the History of the Red Planet

Survey of More Than 800 Planet-Forming Disks Reveals a Planetary Evolution Surprise