April 28, 2016 Easter's early arrival: How the Moon shapes the date This month, depending on which time zone you live in, the vernal equinox (the first day of spring in the Northern Hemisphere) occurred either on March 19 or March 20.
April 28, 2016 Permanent Mars colony is 'long way down the road,' NASA says The first NASA astronauts to set foot on Mars will aim to establish a research-and-operations base, not a permanently inhabited colony, agency officials say.
April 28, 2016 How the Moon moved: Lunar poles have wandered The moon's poles have shifted over the eons, likely as a result of geological activity beneath the lunar crust, a new study suggests.
April 28, 2016 Minor lunar eclipse to darken part of Moon Wednesday: What to expect Earth's shadow will darken part of the moon Wednesday morning in a lunar eclipse that will be visible from much of the globe, including central and western North America.
April 28, 2016 Space Station cargo launch tonight may be visible along East Coast People in eastern North America have a chance to see a private cargo spacecraft launch toward the International Space Station tonight.
April 28, 2016 Pluto's 'unprecedented' ice provinces and other surprises from NASA's New Horizons Pluto, known for more than eight decades as just a faint, fuzzy and faraway point of light, is shaping up to be one of the most complex and diverse worlds in the solar system.
April 28, 2016 Three crewmembers set to blast off for International Space Station Three new crewmembers will launch toward the International Space Station (ISS) this evening (March 18), and you can watch all the spaceflight action live.
April 28, 2016 'The Marge-ian Chronicles': 'The Simpsons' riffs on private Mars colonization Private Mars colonization has gotten "The Simpsons" treatment.
April 28, 2016 Chaotic comet flyby blew away some of Mars' atmosphere A close shave with a comet in October 2014 did a number on Mars' magnetic field, a new study reveals.
April 28, 2016 Spring is here! Check out the equinox's quirky math As the Earth makes its annual trek around the sun, certain events are of special importance, both to astronomers and to the public at large.