Sinkholes on Titan: New Study Shows How Hydrocarbon Lakes May Form by Earth-Like Erosion

Wider view of lakes and seas near Titan's north pole. Image Credit: NASA/JPL-Caltech/ASI/USGS

Colored mosaic of lakes near Titan’s north pole. Image Credit: NASA/JPL-Caltech/ASI/USGS

Saturn’s largest moon, Titan, has seas and lakes of liquid methane and ethane dotting its surface, but one question scientists have been trying to figure out is how the hollows in the ground, which hold the lakes, form to begin with. Now, a […]

NASA to Test Orion's European Service Module Starting This Summer

From ESA: "Proposal for a Multi-Purpose Crew Vehicle-Service Module (MPCV-SM)." Orion's European service module will fly on Exploration Mission-1 (EM-1) in late 2018. Image Credit: ESA-D. Ducros

From ESA: “Proposal for a Multi-Purpose Crew Vehicle-Service Module (MPCV-SM).” Orion’s European service module will fly on Exploration Mission-1 (EM-1) in late 2018. Image Credit: ESA-D. Ducros

NASA continues to ramp up its development of its newest crewed space vehicle and launch system, the Orion Multi-Purpose Crew Vehicle (MPCV), which will be powered by […]

Methane Discovered in Martian Meteorites: A Clue to Possible Life?

Methane has been discovered in some meteorites originating from Mars. Could it be a clue to life? Image Credit: Image by Michael Helfenbein

Methane has been discovered in some meteorites originating from Mars. Could it be a clue to life? Image Credit: Michael Helfenbein

The puzzle of methane on Mars has taken an interesting new twist: For the first time, the gas has been detected within Martian meteorites. The finding adds another layer to the ongoing controversy over […]

After 28 Weeks in Orbit, Multi-National Soyuz TMA-15M Crew Returns Safely to Earth

The Soyuz TMA-15M spacecraft is seen as it lands with Expedition 43 commander Terry Virts of NASA, cosmonaut Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos), and Italian astronaut Samantha Cristoforetti from European Space Agency (ESA) near the town of Zhezkazgan, Kazakhstan on Thursday, June 11, 2015. Virts, Shkaplerov, and Cristoforetti are returning […]

Impact Glass Discovered on Mars: How It Might Help In Search for Evidence of Past Life

Image from the Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) instrument on the Mars Reconnaissance Orbiter, showing deposits of impact glass (green) in Alga Crater. Image Credit: NASA/JPL-Caltech/JHUAPL/Univ. of Arizona

For the first time, impact glass has been detected on the surface of Mars; the discovery not only provides new information about the formation […]

Top Ten US EVA Missions of All Time: No. 3—’Repackage Our Margin’

Astronaut Story Musgrave is positioned to replace components at the end of Endeavour’s Remote Manipulator System (RMS) mechanical arm on STS-61 in December 1993. Photo Credit: NASA

More than two decades have passed since one of the most spectacular EVA missions in U.S. history: the long-awaited first servicing of the Hubble Space Telescope (HST). […]

NASA, ESA Confirm Soyuz TMA-15M Landing Delay; Sarah Brightman Postpones Mission

Passing their 100th day in space in the first week of March, the Soyuz TMA-15M crew of (from left) Terry Virts, Samantha Cristoforetti and Anton Shkaplerov could hardly have imagined that they would remain aboard the International Space Station (ISS) for up to 200 days. Photo Credit: NASA

NASA and its International Partners (IPs) […]

Cristoforetti Set for Endurance Record, as Expedition 43 Return Reportedly Delayed to Mid-June

If Soyuz TMA-15M’s return date moves to the 11-13 June timeframe, Samantha Cristoforetti will establish a new record for the longest single space mission ever undertaken by a woman. Photo Credit: NASA

Only days before their scheduled 13-14 May return to Earth, it is understood that Soyuz TMA-15M crew members—and the “core” of the […]

NASA Announces Journey to Mars Contest for Ideas to Enable Human Presence on Red Planet

NASA announces public contest for ideas on achieving a sustained human presence on Mars as part of the agency’s “Journey to Mars” initiative. Credit: NASA

Here’s your chance to influence how NASA will fulfill its agency-wide goal of sending humans to Mars in the 2030s for a sustained period of time.

NASA has just […]

Enceladus' Water Geysers May Be 'Curtain Eruptions' According to New Study

The water vapor jets on Enceladus are now thought to mostly be more like diffuse “curtains” rather than separate plumes. Image Credit: NASA/JPL-Caltech/SSI/PSI

The water vapor geysers on Saturn’s moon Enceladus are one of the most fascinating phenomena in the Solar System; the jets spray far out into space in a dazzling display unseen […]