Mars Rovers Update: Curiosity Turns Toward Mount Sharp, Opportunity Finishes in Marathon Valley

Self-portrait of the Curiosity rover at the drill site called Okoruso, on Naukluft Plateau. The image was taken on May 11, 2016, (sol 1,338). Image Credit: NASA/JPL-Caltech/MSSS

Self-portrait of the Curiosity rover at the drill site called Okoruso, on Naukluft Plateau. The image was taken on May 11, 2016, (sol 1,338). Image Credit: NASA/JPL-Caltech/MSSS

NASA’s current rovers, Curiosity and Opportunity, are continuing to explore their respective regions of Mars, with new findings that are providing yet more clues as to the geological […]

'Only Tom Really Knows': 50 Years Since the Challenging Mission of Gemini IX (Part 2)

A view of Gemini IX, including its maneuvering thrusters, taken by Gene Cernan. His lengthy tether is clearly visible. Photo Credit: NASA

A view of Gemini IX, including its maneuvering thrusters, taken by Gene Cernan. His lengthy tether is clearly visible. Photo Credit: NASA

Five decades ago, one of the hairiest and most difficult missions in America’s space history unfolded. Gemini IX-A was already complex—a three-day flight, involving rendezvous, docking, maneuvering, and spacewalking—but had endured additional […]

'Like an Angry Alligator': 50 Years Since the Challenging Mission of Gemini IX (Part 1)

Gene Cernan's EVA was the longest to date, by far the most complex...and intrinsically hazardous. Photo Credit: NASA

Gemini IX finally flew in June 1966, carrying astronauts Tom Stafford and Gene Cernan. Photo Credit: NASA

In many ways, NASA’s Gemini IX mission—tasked with spending three days in space, performing a lengthy spacewalk, a rendezvous, and a docking with an unmanned Agena target vehicle—was hamstrung by bad luck. First, in February 1966, its […]

'Before This Decade Is Out': 55 Years Since the Speech Which Committed America to the Moon (Part 2)

Through a combination of enthusiasm for space exploration and political need, President John F. Kennedy's speech on 25 May 1961 defined his short-lived administration. Photo Credit: NASA

Through a combination of enthusiasm for space exploration and political need, President John F. Kennedy’s speech on 25 May 1961 defined his short-lived administration. Photo Credit: NASA

Fifty-five years ago, this week, John Fitzgerald Kennedy—35th President of the United States—gave a speech before Congress which, arguably, defined not only his administration, but also the […]

'Before This Decade Is Out': 55 Years Since the Speech Which Committed America to the Moon (Part 1)

On 25 May 1961, President John F. Kennedy made one of the most remarkable speeches in U.S. political history, by setting his nation on a course to land a man on the Moon. Photo Credit: NASA

On 25 May 1961, President John F. Kennedy made one of the most remarkable speeches in U.S. political history, by setting his nation on a course to land a man on the Moon. Photo Credit: NASA

When we think of heroes in the early Space Age, our minds are naturally drawn to the likes […]

Asteroid-Bound OSIRIS-REx Arrives at NASA Kennedy for September Launch

OSIRIS-REx uncrating at the Payload Hazardous Servicing Facility at NASA Kennedy. Credit: NASA/Dimitri Gerondidakis

OSIRIS-REx uncrating at the Payload Hazardous Servicing Facility at NASA Kennedy. Credit: NASA/Dimitri Gerondidakis

NASA’s first asteroid sampling spacecraft, OSIRIS-REx, arrived at the Kennedy Space Center in Florida on Friday, May 20. The spacecraft is set to undergo a series of tests and final preparations to ready it for a September launch to an […]

Back to the Moon? New House Bill Defunds NASA's Asteroid Redirect Mission

Artist's conception of the Asteroid Redirect Mission. The new House bill directs NASA to bypass this mission and return to the Moon instead, before going to Mars. Image Credit: NASA

Artist’s conception of the Asteroid Redirect Mission (ARM). The new House bill directs NASA to bypass this mission and return to the Moon instead, before going to Mars. Image Credit: NASA

Sending human astronauts to Mars is a dream shared by many, but there are still challenges to overcome and the question of just […]

New Horizons Obtains New Images and Science Data of Post-Pluto Kuiper Belt Object

Image from New Horizons showing the small KBO called 1994 JR1, taken in April 2016. Credits: NASA/JHUAPL/SwRI

Image from New Horizons showing the small KBO called 1994 JR1, taken in April 2016. Image Credit: NASA/JHUAPL/SwRI

The New Horizons mission to Pluto has been nothing less than incredible, giving us our first close-up views of this enigmatic dwarf planet and its moons. But the show isn’t over yet, as the New Horizons […]

New Worlds Galore: Kepler Space Telescope Confirms 1,284 More Exoplanets

Artist's conception of the many different exoplanets which have been discovered by Kepler so far. Image Credit: NASA/W. Stenzel

Artist’s conception of the many different exoplanets that have been discovered by Kepler so far. Image Credit: NASA/W. Stenzel

For several years now the Kepler Space Telescope, as well as other telescopes, has been discovering an increasing number of exoplanets, with over 2,000 such confirmed worlds found so far (and nearly 5,000 candidates). Today, NASA […]

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, 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 […]