A rare planetary alignment is lighting up the night sky—here’s how to see it
Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...
Astronomy11h
The Sky This Week from January 31 to February 7: Watch the Pleiades disappear
Wednesday, February 5 First Quarter Moon occurs at 3:02 A.M. EST. Nearly half a day later, the Moon passes 5° north of Uranus ...
Space.com19h
Mars was hot then cold then hot again. Could life have really survived there?
"It's been such a puzzle that there was liquid water on Mars, because Mars is further from the sun, and also, the sun was ...