Space News

(Carnegie Institution) New global imaging and topographic data from MESSENGER show that the innermost planet has contracted far more than previous estimates. The results are based on a global study of more than 5,900 geo...

Host Neil deGrasse Tyson visits the grand 'Hall of Extinction'. The all-new "Some of the Things That Molecules Do" episode of 'Cosmos: A Spacetime Odyssey' airs Sunday, March 16 on Fox and Monday, March 17th on Nat Geo.

Host Neil DeGrasse Tyson explores the surface of Saturn's largest moon. The all-new "Some of the Things That Molecules Do" episode of COSMOS: A SPACETIME ODYSSEY airs Sunday, March 16 on Fox and Monday, March 17th on Nat...

New evidence gathered by NASA's MESSENGER spacecraft at Mercury indicates the planet closest to the sun has shrunk up to 7 kilometers in radius over the past 4 billion years, much more than earlier estimates.

Tonight, the second of 13 episodes of "Cosmos- A SpaceTime Odessey" hosted by astrophysicist Neil deGrasse Tyson airs at 9 pm tonight on Fox and at 10 pm Sunday night on the National Geographic channel. Tonight's episode...

Last week the Harvard-Smithsonian Center for Astrophysics (CfA) stated rather nonchalantly that they will be hosting a press conference on Monday, March 17th, to announce a "major discovery." Without a potential topic fo...

The new Cosmos show is doing an inspirational job bringing the wonders of science to a mass audience. There was one segment of the first episode where I thought the writers went off-track, however. In an earlier post I d...

What was your favorite space news story of the last week?

As darkness falls these brisk March evenings, we can see a noble star pattern emerging into view in the eastern night sky: The great celestial lion Leo, king of the beasts, accompanied by its brightest star, Regulus, mar...

Are we alone in the universe? The ultimate question of life beyond Earth and the solar system takes center stage in a science conference led by the Vatican Observatory and a University of Arizona this week.

There are half a billion craters on the Moon bigger than about 11 meters (35 feet) across. That's a lot. A whole lot. They're important, though: Most of these craters are billions of years old, and tell us about the hist...

It was an elusive planet that for 200 years appeared to explain Uranus's wobbly orbit. And there was the sister sun theorized to be near our solar system that caused asteroids to swerve toward Earth.

(Case Western Reserve University) New evidence gathered by NASA's MESSENGER spacecraft at Mercury indicates the planet closest to the sun has shrunk up to seven kilometers in radius over the past four billion years, much...