From Earth’s Caves, A Better Understanding of Mars

Dr. Penny Boston is exploring some of the most extreme environments on earth--the Snowy River Cave, the Cave of Crystal Giants--both in New Mexico, n the land where Billy the Kid once roamed--on the educated guess that those re...

First Global Topographic Model of Mercury

NASA’s MESSENGER mission has unveiled the first global Digital Elevation Model (DEM) of Mercury, revealing in stunning detail the topography across the entire innermost planet.


A Spasmodic Active Region on the Sun…

Ol' Sol has been putting on a show lately, with a dazzling variety of dozens of spurts and eruptions and an equally dazzling magnetic display known as coronal rain.

NASA’s Chandra Observatory Finds Cosmic Showers Halt Galaxy Growth

NASA's Chandra X-ray Observatory has uncovered surprising news about a process that is stifling star formation in a distant galaxy cluster. It's been going on for 7 billion years.

Black Hole

‘Cry’ of a Shredded Star Heralds a New Era for Testing Relativity

‘This gives us an opportunity to explore the nature of black holes and test Einstein’s relativity at a time when the universe was very different than it is today,’ Last year, astronomers discovered a quiescent...

Climate Conditions Determine Amazon Fire Risk–The Threat of ‘Understory’ Fires

'Understory' fires are destroying more of the Amazon rainforest than is being lost through deforestation, NASA scientists have determined.


Hubble Spots Spiral Bridge of Young Stars Linking Two Ancient Galaxies

A Hubble space Telescope photo of an unusual structure 100,000 light years long yields new insights into the formation of stellar superclusters.

Long Time Gone: Neptune’s ‘Lost’ Moon Is Found Again

Naiad, NEPTUNE's 'lost' moon has been spotted for the first time in more than 20 years. Also: the sounds of Neptune, where the wind blows at 700 MPH, as recorded by Voyager 1 before it left the solar system.


NASA’S Hubble Provides First Census of Galaxies Near Cosmic Dawn

DISTANT WORLDS--Using NASA's Hubble Space Telescope, astronomers have uncovered a previously unseen population of seven primitive galaxies that formed more than 13 billion years ago.

The View from Deep Space, Via New NASA Interactive App

NASA's new 3DV app previews the starting point for the nation's journey to Mars.


Saturn’s Titan Moon Gets a Dune ‘Makeover’

The craters of Titan, Saturn's largest moon, are being erased as they're filled with dunes of exotic hydrocarbon sand, complicating efforts to estimate the age of the planet's surface.

Awesome Images from Hubble & New Insights into Coma Galaxies

Amazing pictures from the constellation Antlia (aka The Air Pump)and activity in the dwarf galaxy ESO 540-31 courtesy Hubble + new findings in the Coma galaxies.