Researchers Find Evidence of Water Vapor on Ganymede in Historic Hubble Data

News from NASA on July 26, 2021 For the first time, astronomers have uncovered evidence of water vapor in the atmosphere of Jupiter’s moon Ganymede, the largest moon in the Solar System. This water vapor forms when ice from the moon’s surface sublimates — that is, turns from solid to gas. Astronomers re-examined Hubble observations from…

InSight Measures the Size of Mars’ Core

News from NASA’s InSight Mission on July 22, 2021 (source) Before NASA’s InSight spacecraft touched down on Mars in 2018, the rovers and orbiters studying the Red Planet concentrated on its surface. The stationary lander’s seismometer has changed that, revealing details about the planet’s deep interior for the first time. Three papers based on the…

Here’s Our First Close-up Image of Ganymede in Over Two Decades!

The image data are starting to come in from NASA’s Juno spacecraft and if this is any indication, they’re going to be gorgeous! On Monday, June 7, 2021 the Jupiter-orbiting spacecraft passed within just over 1000 kilometers of Ganymede. This is the closest any spacecraft has come to the Solar System’s largest moon since May…

This Is What It’s Like To Land on Mars

On February 18, 2021, NASA’s Perseverance rover successfully landed on Mars, becoming the fifth robotic rover to do so and the third operational exploration robot currently on the planet’s surface. Today during a press conference NASA released stunning high-definition video from Perseverance’s entry, descent, and landing (EDL) sequence to the anticipation and excitement of scientists…

Success! There’s a New Rover on Mars!

Today’s Perseverance rover landing on Mars was a success! There are now two new robots on Mars—Perseverance and the Ingenuity helicopter it brought along—which touched down in Jezero Crater at 3:44 p.m. EST / 20:44 UTC today, February 18. The confirmation signal was received here on Earth, 127 million miles away, 11 minutes and 21…

Watch Today’s Mars Landing Live

Today’s the red planet day! NASA’s Perseverance rover is arriving at Mars and will soon enter its atmosphere at over 12,000 mph and, using a combination of ablative heat shield, enormous parachute, a sky-crane with retrorockets, and eventually a series of cables, carefully touch down onto the surface near the western edge of a 28-mile-wide…

Two Days to Mars!

It’s almost time! In just two days—or “sols,” if you’re counting in Mars time—NASA’s newest, biggest and most advanced rover ever, named Perseverance, will touch down on Mars, making it the fifth mobile wheeled robot ever to explore the surface of the Red Planet and the third robot currently in operation on Mars. And if…

Juno Spots Sprites and Elves Dancing On Jupiter

NASA’s Juno spacecraft may have captured some of the most fleeting phenomena associated with powerful lightning storms here on Earth—400 million miles away on Jupiter! Nicknamed sprites and elves these amazingly brief yet beautiful flashes of light occur miles above powerful lightning discharges in thunderstorms. They’ve only fairly recently been well-documented on Earth through digital…

NASA’s Flying Observatory Found Water on the Moon During Its First Look

NASA and DLR’s Stratospheric Observatory for Infrared Astronomy—a telescope-on-an-airplane called SOFIA for short—has detected yet more evidence of water on the Moon, this time in the form of H2O molecules possibly trapped within pieces of glass that form when meteorites strike the Moon’s surface. These particular findings, announced on October 26, 2020, focus on an…