Rest In Pieces: MESSENGER Ends Orbital Operations, Impacts Mercury's Surface

The MESSENGER spacecraft, depicted in this artist’s rendering, began studying Mercury in 2011. Today, its mission ended with its impact on the far side of the planet. Image Credit: NASA

Here’s MESSENGER by the numbers: Years since launching: 10+; Years in Mercury’s orbit: Four; Number of orbits: 4,105; Size of its impact crater: Estimated […]

MESSENGER Mission Nears Its End, Set for Mercury Impact April 30

A global map of Mercury, composed of thousands of individual images from MESSENGER. Image Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

One of the most oft-repeated quotes in the English lexicon is: “There’s no place like home.” One spacecraft’s long journey, begun in 2004, will end as it impacts upon the […]

Two Earth-Sized Exoplanets May Exist in Closest Star System, Hubble Observations Reveal

Artist’s conception of the Alpha Centauri binary star system and the exoplanet Alpha Centauri Bb. Our own Sun is also shown in the distance. Image Credit: ESO/L. Calçada/N. Risinger

The closest star system to our own Sun may have two Earth-sized exoplanets orbiting it, a new study has shown based on observations by the […]

PHOTOS: San Diego Air and Space Museum Celebrates Apollo 13, Spaceflight Milestones

Moderator Mark Larson gestures at an animated Rusty Schweickart during the Apollo 13 panel at Saturday’s celebratory event at the San Diego Air & Space Museum. Photo Credit: Robert C. Fisher / AmericaSpace

On the evening of Saturday, March 21, guests enjoyed a unique celebration at the San Diego Air & Space Museum, which […]

San Diego Air and Space Museum to Celebrate Apollo 13's 45th Anniversary: Interview with Francis French and Gordon Permann

Fred Haise, Jack Swigert, and Jim Lovell pose for a pre-flight photo days before their mission. Photo Credit: NASA/The Project Apollo Image Gallery via the Project Apollo Archive

2015 is a year full of spaceflight milestone anniversaries, including the 50th anniversaries of the first five crewed Gemini missions (including the first U.S. spacewalk, and […]

Getting Closer! New Horizons Sees Two of Pluto's Smaller Moons for First Time

Long-exposure images taken by New Horizons between Jan. 27 and Feb. 8, 2015, showing the two tiny moons Hydra (inside yellow diamond) and Nix (inside orange diamond). Image Credit: Image credits: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute

The New Horizons spacecraft, on course for a historic encounter with Pluto this summer, is […]

MESSENGER Gets Small Reprieve Prior to End of Mission in 2015

Artist’s impression of MESSENGER in orbit around Mercury. Following a highly successful decade-long mission, the spacecraft will eventually face its demise while crashing on Mercury’s surface, sometime next spring. Image Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

The coming of the New Year is a time for celebration and reflection on […]

US Space Walk of Fame Museum Dedicates New Space Shuttle Monument

A view of Space View Park’s shuttle monument, which was dedicated this past weekend. This monument pays tribute to the thousands of workers and engineers who made the shuttle program a success, despite adversity. Photo Credit: Space View Park website (http://www.nbbd.com/godo/spaceviewpark/)

This past Saturday morning, on Nov. 1, various space luminaries, shuttle astronauts, members […]

MESSENGER Takes First Images of Ice Near Mercury's North Pole

Wide-Angle Camera (WAC) image of Kandinsky crater, near Mercury’s north pole, which contains water ice. The original broadband image is on the left (outlined in yellow), and the brightness and contrast-enhanced version is on the right. Image Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

The Solar System is full of surprises. […]

Selling the Space Race: An Interview With 'Marketing the Moon' Co-Author Richard Jurek

The crew of Apollo 15 shoots the breeze with TV’s Dick Cavett in 1971. From left, Jim Irwin, Dave Scott, Dick Cavett, and Al Worden. The Apollo program was well-documented in pop culture during that time. Photo Credit: NASA (Provided by Richard Jurek)

Unlike no other time in NASA’s history, people all over the […]