Cassini Completes Last Flyby of Titan and First Dive Between Saturn and Rings in 'Grand Finale'

Raw image from Cassini’s last-ever flyby of Titan, taken on April 21, 2017. Photo Credit: NASA/JPL-Caltech/Space Science Institute

NASA’s Cassini spacecraft has now officially entered the last phase of its mission – the “Grand Finale,” with the last-ever close flyby of Titan and the first of 22 final orbits which will take the spacecraft […]

A Very Alien Moon: NASA Celebrates 12th Anniversary of Huygens Landing on Titan

Mosaic of images taken by Huygens during its descent to the surface of Titan, from an altitude of about 6 miles (10 kilometers). Riverbeds formed by liquid methane can be seen near the center of the image. Image Credit: ESA/NASA/JPL/University of Arizona

Twelve years ago today, one of the most incredible space missions ever […]

Curiosity Continues Journey After Drill Problems, Finishes Another Year of Scientific Discovery

A “self-portrait” of Curiosity beside one of the dunes in the Bagnold Dunes. Image Credit: NASA/JPL-Caltech/MSSS

The Curiosity rover has now resumed its journey toward Mount Sharp after experiencing some delays due to a faulty drill mechanism. The rover conducted a short drive over the past weekend toward a new location with “plenty of […]

Gateway to the Ring-Grazing Orbits: Cassini Conducts New Flybys of Titan and Enceladus

Cassini conducted its next-to-last flyby of Saturn’s moon Titan yesterday, in preparation of the Ring-Grazing Orbits has of its mission. Image Credit: NASA/JPL-Caltech

As reported earlier this week, the Cassini spacecraft is now preparing to make a series of very close passes by the edges of Saturn’s rings, known as Ring-Grazing Orbits. Yesterday, Cassini […]

Opportunity Rover Ready to Explore Martian Gully for First Time Ever

Panoramic view of Marathon Valley as seen by the Opportunity rover. The interior of Endeavour Crater lies in the distance. Soon, the rover will move southward to examine a gully thought to have been carved by water long ago. Photo Credit: NASA/JPL-Caltech/Cornell Univ./Arizona State Univ.

Water on Mars is one of the most talked […]

Goodbye, Murray Buttes: Curiosity Rover Continues Journey in Next Phase of Extended Mission

A “self-portrait” of Curiosity at the Quela drilling location at the base of one of the buttes in Murray Buttes. Image Credit: NASA/JPL-Caltech/MSSS

Ever since first landing in August 2012, the Curiosity rover has helped to revolutionize our understanding of Mars and has seen some incredible scenery along the way. It has travelled across […]

Curiosity Rover Examines Spectacular Layered Buttes, Closes In on Mount Sharp

Curiosity near Murray Buttes, on first approach. Panoramic image processing by James Sorenson. Image Credit: NASA/JPL-Caltech/MSSS/James Sorenson

Mars has often been compared to deserts on Earth, and for good reason: It is pretty much a barren landscape with a lot of sand and rocks everywhere. Sometimes the similarities can be quite striking, and the […]

Evidence from Curiosity Rover Shows Mars Once Had Oxygen-Rich Atmosphere

Mars’ atmosphere is thin, dry, and cold now, but it used to be thicker and contained a lot more oxygen. Image Credit: ESO/M. Kornmesser

Mars’ atmosphere is thin and cold, composed primarily of carbon dioxide along with other trace gases and some water vapor. Evidence has continued to mount, however, that the rarified atmosphere […]

Pluto Once Had Rivers and Lakes of Liquid Nitrogen, New Horizons Data Suggests

Artist’s conception of Pluto’s surface, with the distant Sun and largest moon Charon in the sky. The surface is frozen now, but evidence suggests that rivers and lakes of liquid nitrogen once flowed here. Image Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute/Alex Parker

As has been discussed extensively now on AmericaSpace, New […]

Ten Years at Mars: Mars Reconnaissance Orbiter Celebrates a Decade of Discovery

Illustration of Mars Reconnaissance Orbiter (MRO) as it entered orbit ten years ago. Image Credit: NASA/JPL

The Martian rover Opportunity has become famous for its amazing longevity, but it is not the only one; orbiting spacecraft also usually enjoy long lifespans, and today the Mars Reconnaissance Orbiter is celebrating its 10th year exploring Mars […]