New Evidence Suggests Pluto Has An Ocean Beneath Its Surface

Astronomers believe that Pluto and its moon were the result of two massive objects slamming into each other. The resulting gravitational dynamic may have warmed the interior of Pluto, creating an ocean comprised of liquid water. Remarkably, this underground sea could still be there. » 4/15/14 2:25pm Yesterday 2:25pm

How To Watch This Week's Total Lunar Eclipse

Late Monday night/early Tuesday morning will be an incredible time for skygazing. Not only is Mars bigger and brighter than it's been in more than six years, you'll also be able to witness the first total lunar eclipse of 2014. Here's how to watch. » 4/13/14 9:44pm Sunday 9:44pm

Breathtaking Illustrations Show The Splendor Of Ringed Planets

Is there any more beautiful than a ringed planet? It's like an instant signifier of an exotic, non-Earth world. And the sight of a ring floating around an entire world is one of the most poetic and astonishing vistas the universe has to offer. And luckily, some immensely talented artists have created illustrations… » 4/11/14 6:13pm Friday 6:13pm

What would it look like from Earth if the Moon were a giant disco ball?

So, technically, this is what it would look like if the Moon were a disco ball AND orbited Earth at the same distance as the International Space Station, i.e. roughly 420 kilometers (260 miles) above the surface of the Earth. But that doesn't make it any less incredible looking. » 4/05/14 3:57pm 4/05/14 3:57pm

Could This Be The Signal Of Dark Matter?

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Sometimes a strange signal comes from the dark and it takes a while to figure out what that signal means. In this case, scientists analyzing high-energy gamma rays emanating from the galaxy's center found an unexplained source of emission that they say is "consistent with some forms of dark matter." » 4/05/14 3:02pm 4/05/14 3:02pm

This Is How The Private Sector Will Put A Lander On The Moon

In an effort to win the $20 million Google Lunar X-Prize, Astrobotic and Masten have been busy at work developing a free-flying moon lander. Watch this video of the XOMBIE rocket as it uses an onboard hazard avoidance system to execute a perfect landing. » 4/05/14 12:32am 4/05/14 12:32am

We've Found A Hidden Ocean On Enceladus That May Harbor Life

It's turning out that the outer reaches of the solar system may be more hospitable to life than we ever imagined. Gravity measurements made by Cassini have confirmed that Enceladus, a tiny moon orbiting Saturn, hosts a subsurface ocean in its southern latitudes. Astronomers are now saying it's potentially habitable. » 4/03/14 10:47pm 4/03/14 10:47pm

Giant Galaxy Cluster "El Gordo" Is Even Bigger Than We Thought

We already knew that this ancient galaxy cluster (nicknamed "El Gordo") was the largest of the distant galaxies that we had spotted, but it turns out we've been massively underestimating its size. How did astronomers figure it out? Simple. They weighed it. » 4/03/14 10:47pm 4/03/14 10:47pm

NASA Suspends Cooperation with Russian Space Agency

NASA instructed its staff to stop cooperating with the Russian Federal Space Agency. The agency claims this is a choice between funding Russia or developing our own rockets, but astronaut Ron Garan disagrees. In his view, we shouldn't be bringing political conflict into orbit. » 4/03/14 1:00pm 4/03/14 1:00pm