Space & PhysicsAugust 8, 2011
Old briny: Mars, water, and the search for life
Extraterrestrial Life
Space & PhysicsAugust 4, 2011
Mars Bars: Seasonal Markings on Martian Slopes Could Indicate Flowing Water
Newfound features on the Red Planet hint that liquid water may still exist there
The Young American Scientists Issue—Read Now
August 1, 2011
Teaching Scientific Thinking and Encouraging Creativity with Astrobiology
Space & PhysicsJuly 26, 2011
Water from a Saturnian Moon Rains Down on the Ringed Planet
Space & PhysicsJuly 22, 2011
NASA's Next Mars Rover to Land at Huge Gale Crater
The site is a giant crater called Gale, thought to harbor clues of ancient water activity on the Martian surface
Space & PhysicsJuly 19, 2011
NASA Budget Cuts Threaten Two New Telescopes
Flagship missions at risk as astrophysics funding shrinks.
Space & PhysicsJuly 18, 2011
Kepler Searches for Habitable Planets, Part 2
NASA's Kepler mission's principal investigator, Bill Borucki, talks about the search for exoplanets that might be habitable. Part 2 of 2. John Matson reports
July 11, 2011
Kepler Searches for Planets in Habitable Zones
NASA's Kepler mission's principal investigator, Bill Borucki, talks about the search for exoplanets that might be in habitable zones around their stars. John Matson reports
Space & PhysicsJuly 7, 2011
Supernovae Seed Galaxies with Massive Amounts of Dust
A supernova that went off in 1987 produced large quantities of dust, which may explain why galaxies in the early universe were so dusty
The SciencesJuly 1, 2011
From the Editor: Honors and Activities
June 27, 2011
Planets with Stabilizing Moons May Be Common
Computer simulations show that about 10 percent of planets could have a massive moon that helps to stabilize the planetary tilt. John Matson reports
Space & PhysicsJune 22, 2011
Turf and Surf: Salty Plumes Point to Underground Ocean inside Saturn's Moon Enceladus
The Cassini spacecraft plunged through watery plumes shooting out of Enceladus and got a taste of what is inside the icy moon