NASA officials at the Jet Propulsion Laboratory (JPL) confirmed the first definitive evidence of water on the surface of the Moon, settling a decades-long debate…
GRACE-Follow On (GRACE-FO) is a satellite mission scheduled for launch in May 2018. GRACE-FO will continue the work of the GRACE satellite mission tracking…
On February 22, 2017, a team of NASA astronomers announced the discovery of seven Earth-like planets around the dwarf star Trappist-1, 40 light years from…
Science Magazine explains the importance of finding hydrogen in the plumes of Enceladus. It is a sign of ongoing reactions on the floor of a…
The search for life beyond Earth needs robots. But to explore distant ocean worlds like Europa, we’ll need a new set of tools to drill…
The Hubble Telescope found more evidence of vast plumes of water bursting through the icy surface of Jupiter’s moon Europa. What does this tell us…
NASA's Hubble Space Telescope took direct ultraviolet images of the icy moon Europa transiting across the disk of Jupiter. Out of ten observations, Hubble saw…
"Venus is too hot, Mars is too cold, and Earth is just right," says planetary scientist Dave Brain. But why? In this pleasantly humorous talk,…
Dr. Tori Hoehler (NASA Ames Research Ctr.) Our Galaxy probably hosts billions of planetary systems. But how many of those globes are like the Earth…
A Nov. 5 NASA science update highlighted data from NASA’s Mars Atmosphere and Volatile Evolution (MAVEN) mission that has determined the present rate at which…
NASA's Cassini spacecraft will sample an extraterrestrial ocean on Wednesday, Oct. 28, when it flies directly through a plume of icy spray coming from Saturn's…
The 'curious and ingenious' men who met at Gresham College and founded the Royal Society were fascinated by the Sun and Planets; the 'fixed stars'…
During a news conference at NASA headquarters, agency scientists and officials discussed new findings from the Mars Reconnaissance Orbiter (MRO) that provide the strongest evidence…
Are we alone in the universe? We've found hundreds of planets orbiting distant stars, including several dozen in their star's habitable zone. But do any…
This panel discussion from NASA headquarters focuses on recent discoveries of water and organics in our solar system, the role our sun plays in water-loss…
Scientists believe there is an ocean hidden beneath the surface of Jupiter's moon Europa. NASA-JPL astrobiologist Kevin Hand explains why scientists are so excited about…
What do astronomers look for when they study exoplanets for signs of alien life? Hank explains how space telescopes are already yielding tantalizing clues of…
Scientists say they have found evidence of water on five planets outside our solar system; WASP-17b, HD209458b, WASP-12b, WASP-19b and XO-1b.. They have been using…