The SciencesSeptember 28, 2015
Water Flows on Mars Today, NASA Announces
The Mars Reconnaissance Orbiter found evidence that flowing water causes suspicious dark streaks on the Red Planet
Space Exploration
The SciencesSeptember 28, 2015
Searching for Life in Martian Water Will Be Very, Very Tricky
The risk of microbial contamination could prevent humans and even robots from visiting the most promising parts of the Red Planet
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Space & PhysicsSeptember 25, 2015
Planetary Close-Up Reveals Pluto "Snakeskin"
Intriguing ridges add to dwarf planet's geologic mysteries
The SciencesSeptember 24, 2015
What Edward Snowden Got Wrong about Eavesdropping on Aliens
In an off-the-cuff remark to astrophysicist Neil deGrasse Tyson, the former National Security Agency contractor suggested E.T. might send encrypted messages that humans mistake for noise
Space & PhysicsSeptember 23, 2015
"Supermoon" Eclipse Offers Risk, Reward for NASA Moon Probe
The Earth’s shadow will darken the Lunar Reconnaissance Orbiter in addition to the moon
Space & PhysicsSeptember 23, 2015
Amazing Video Shows the Scale of the Solar System
In "To Scale: The Solar System" filmmakers Wylie Overstreet and Alex Gorosh, along with a few of their friends, build a size-accurate model of our cosmic backyard in Nevada's Black Rock Desert
Space & PhysicsSeptember 16, 2015
Cassini Confirms a Global Ocean on Saturn's Moon Enceladus
The SciencesSeptember 16, 2015
Jeff Bezos's Blue Origin Will Launch Rockets and Spaceships from Florida
The Amazon founder announced plans to fly a fleet of reusable spacecraft from the Cape Canaveral spaceport
Space & PhysicsSeptember 16, 2015
Philae's Real-Time Descent and Enceladus's Global Ocean [Video]
This week brings a video reconstructed from images of the Philae lander's approach to a comet, and a major new analysis of data from the Cassini mission that bolsters the case for a global, not just local, ocean beneath the icy crust of Enceladus
The SciencesSeptember 16, 2015
The Milky Way's Missing Mass: Partially Found
A galactic satellite reveals where some of our galaxy's elusive material is hiding
Space & PhysicsSeptember 11, 2015
Duck-Shaped Comet Confounds Astronomers
Comet 67P/Churyumov-Gerasimenko’s incongruous chemical composition and shape raise questions about the origin of our solar system
Space & PhysicsSeptember 10, 2015
NASA Struggles over Deep-Space Plutonium Power
Sluggish production of nuclear fuel could make solar power the preferred choice for the agency’s outer-planets missions