New Findings from Curiosity Hint Ancient Mars Lake 'Favorable for Different Microbial Life'

Mudstone lakebed sedimentary deposits seen by the Curiosity rover in Gale crater. The latest findings show that the lake in the crater was stratified and could have supported a wide variety of microorganisms. Photo Credit: NASA/JPL-Caltech

Was Mars ever habitable? Did life ever actually exist there? Those are two of the biggest questions for […]

Grand Finale Part 3: Cassini Completes Third Ring Dive, Sees Bright Clouds on Titan

Two versions of the image of Titan’s clouds, taken on May 7, 2017. The first is with stronger enhancement, and the second is with softer enhancement. Image Credit: NASA/JPL-Caltech/SSI

NASA’s Cassini probe has now survived its third dive into Saturn’s rings, specifically the gap between the innermost rings and the planet itself. This is […]

Grand Finale Part 2: Cassini Completes Second Epic Dive into Saturn's Rings

Illustration of Cassini crossing the ring plane between Saturn and its innermost rings .Cassini has now completed its second dive into the rings of Saturn, with 20 left to go during the Grand Finale. Image Credit: NASA/JPL-Caltech

Cassini’s “dance” with Saturn’s rings continues – the probe has now completed its second dive into the […]

Cassini Sends Back Spectacular New Images From First-Ever Dive Between Saturn and its Rings

Three of the new raw images taken during Cassini’s first dive between Saturn and its innermost rings. Image Credit: NASA/JPL-Caltech/Space Science Institute

After waiting with bated breath last night, everyone following Cassini’s first-ever dive through the gap between Saturn and its rings let out a collective sigh of relief – the spacecraft made it! […]

Cassini Enters 'Grand Finale' Phase of Mission and Solves a 'Bubbling Mystery' on Titan's Seas

Artist’s conception of Cassini’s final flyby of Titan on April 21. Image Credit: NASA/JPL-Caltech

This week marks another important milestone in the Cassini mission at Saturn – as of today, the spacecraft is conducting the last Ring-Grazing Orbit of its mission as it prepares for the Grand Finale, which will culminate in the death […]

Nearing the End: Cassini Prepares for Spectacular 'Grand Finale' Orbits at Saturn

Cassini is now entering the Grand Finale phase of the mission, which will end on Sept. 15, 2017, after the spacecraft plunges between the planet and rings 22 times. Image Credit: NASA/JPL-Caltech

NASA’s Cassini mission to Saturn has been one of the most successful and awe-inspiring ever, studying the giant ringed planet and its […]

First Breaks Seen in Treads on Curiosity Rover's Wheels, But the Journey Continues

MAHLI view on sol 1641 of two of the raised treads (grousers) on the left middle wheel of the Curiosity rover which recently broke, including the one seen partially detached at the top of the wheel. Photo Credit: NASA/JPL-Caltech/MSSS

As the Curiosity rover continues its traverse among the buttes and sand dunes of Gale […]

Venus Beckons Part 2: A New NASA Collaborative Mission With Russia?

Artist’s conception of the Venera-D spacecraft in orbit around Venus. Image Credit: NASA/JPL-Caltech

Last week, AmericaSpace reported on why NASA should return to Venus, and new technology being developed to help make that happen, especially as in longer-lived landers or rovers. With its extremely hostile conditions, Venus has been much less of a priority […]

Cassini Returns Stunning New Close-Up Images of Saturn's 'Ravioli' Moon and Rings

New image of Saturn’s tiny moon Pan, which orbits inside the Encke Gap of Saturn’s rings. A thin “skirt” or ridge of material surrounds the moon’s equator, giving it a “ravioli” or “dumpling” appearance. Photo Credit: NASA/JPL-Caltech/Space Science Institute/Ian Regan

NASA’s Cassini mission may be entering its last several months now, but that doesn’t […]

NASA's Spitzer Space Telescope Discovers Seven Earth-Sized Worlds Orbiting Nearby Star

Artist’s conception of standing on the surface of exoplanet TRAPPIST-1f. Image Credit: NASA/JPL-Caltech

The search for exoplanets – planets orbiting other stars – has been one of the most exciting developments in astronomy and space science in recent years. The first couple exoplanets were found in 1992, and now over 3,400 have been confirmed, […]