Is 'Planet 9' Really a Second Massive Kuiper Belt?

The Kupier Belt is a massive collection of dwarf planet and asteroid-sized worlds orbiting far past Neptune. Is the hypothetical Planet 9 really a second such belt? Image Credit: T. Pyle (SSC)/JPL-Caltech/NASA

The Kuiper Belt is a massive collection of dwarf planet and asteroid-sized worlds orbiting far past Neptune. Is the hypothetical Planet 9 really a second such belt? Image Credit: T. Pyle (SSC)/JPL-Caltech/NASA

The announcement of a possible large ninth planet in our Solar System way beyond Neptune last month caused a lot of excitement, […]

All Webb Telescope's 18 Primary Gold-Coated Mirrors Now Installed to Unravel Mysteries of the Universe

From NASA: "Inside a massive clean room at NASA's Goddard Space Flight Center in Greenbelt, Maryland the James Webb Space Telescope team used a robotic am to install the last of the telescope's 18 mirrors onto the telescope structure." NASA/Chris Gunn

From NASA: “Inside a massive clean room at NASA’s Goddard Space Flight Center in Greenbelt, Maryland the James Webb Space Telescope team used a robotic am to install the last of the telescope’s 18 mirrors onto the telescope structure.” NASA/Chris Gunn

Construction of the James Webb Space Telescope (JWST), a NASA, European Space Agency […]

NASA Shows Off Orion EM-1 Structure at KSC for Inaugural SLS Lunar Flight Test

The Orion pressure vessel for the EM-1 mission currently sits upon an upgraded test stand inside Operations & Checkout Building at NASA's Kennedy Space Center in Florida. Photo Credit: Talia Landman / AmericaSpace.com

The Orion pressure vessel for the EM-1 mission currently sits upon an upgraded test stand inside Operations & Checkout Building at NASA’s Kennedy Space Center in Florida. Photo Credit: Talia Landman / AmericaSpace.com

NASA’s Orion crew module pressure vessel is secured on a test stand called “the birdcage” inside the Neil Armstrong Operations and Checkout […]

'Cauliflower' Silica Formations on Mars: Evidence of Ancient Life?

Image of "cauliflower" silica formations found by the Spirit rover in 2008 near Home Plate in Gusev crater. Do they hold clues to ancient life on Mars? Photo Credit: NASA/JPL-Caltech

Image of “cauliflower” silica formations found by the Spirit rover in 2008 near Home Plate in Gusev crater. Do they hold clues to ancient life on Mars? Photo Credit: NASA/JPL-Caltech

Was there ever life on Mars? That is one of the longest-running and most debated questions in planetary science, and while there have been […]

Super Guppy Delivers Orion EM-1 Structure to KSC for 2018 Inaugural SLS Flight

The structure of the first Orion spacecraft destined to fly atop NASA's Space Launch System (SLS) rocket in late 2018 on Exploration Mission-1 (EM-1) arrived at the agency's Kennedy Space Center (KSC) in Florida Feb. 1, 2016. Photo Credit: Alan Walters / AmericaSpace

The structure of the first Orion spacecraft destined to fly atop NASA’s Space Launch System (SLS) rocket in late 2018 on Exploration Mission-1 (EM-1) arrived at the agency’s Kennedy Space Center (KSC) in Florida Feb. 1, 2016. Photo Credit: Alan Walters / AmericaSpace

The Orion spacecraft destined to fly atop NASA’s Space Launch System […]

City of Titusville Astronaut Memorial Ceremony Wraps Up Somber Week of Anniversaries, Remembrances

A single red carnation and, most touchingly, an apple decorate Christa McAuliffe's plaque at Titusville's Sand Point Park Saturday morning. Photo Credit: Alan Walters / AmericaSpace

A single red carnation and, most touchingly, an apple decorate Christa McAuliffe’s plaque at Titusville’s Sand Point Park Saturday morning. McAuliffe was the first Teacher in Space, but perished aboard Challenger on Jan. 28, 1986. Photo Credit: Alan Walters / AmericaSpace

The dates marked Jan. 27, 28, and Feb. 1 are downcast days in U.S. spaceflight […]

'Obviously A Major Malfunction': 30 Years Since the Loss of Challenger (Part 1)

The infamous image, flashed around the world on 28 January 1986, immediately after Challenger's tragic destruction. The disaster stalled the shuttle program for almost three years. Photo Credit: NASA

The infamous image, flashed around the world on 28 January 1986, immediately after Challenger’s tragic destruction. The disaster stalled the shuttle program for almost three years. Photo Credit: NASA

Thirty years ago, on 28 January 1986, one of the worst and most public disasters in U.S. space history unfolded with horrifying suddenness in the […]

Data From New Horizons Reveals More Water Ice on Pluto Than Previously Thought

False-color, infrared maps of Pluto from New Horizons, showing regular detection method of water ice on the left and the more sensitive technique on the right. Image Credit: NASA/JHUIAPL/SwRI

False-color, infrared maps of Pluto from New Horizons, showing regular detection method of water ice on the left and the more sensitive technique on the right. Image Credit: NASA/JHUIAPL/SwRI

New Horizons has shown Pluto to be a diverse world, more so than many scientists had anticipated, with tall mountain ranges, vast glaciers, a blue-colored […]

Incredible Opportunity: '90-Day Rover' Celebrates 12th Anniversary on Mars

Opportunity examining the rock outcrop called "Private John Potts" on the southern side of Marathon Valley. The rover has just passed its 12th anniversary milestone and is still going strong. Photo Credit: NASA/JPL-Caltech

Opportunity examining the rock outcrop called “Private John Potts” on the southern side of Marathon Valley. The rover has just passed its 12th anniversary milestone and is still going strong. Photo Credit: NASA/JPL-Caltech

We’ve all seen the commercials for the Energizer Bunny, which keeps going and going and going. … It just never seems […]

Has 'Planet X' Finally Been Found? A Cautionary Tale

Artist's conception of Planet Nine. Image Credit: Image: Caltech/R Hurt (IPAC)

Artist’s conception of Planet Nine. The new evidence is the best so far that a massive planet exists far past Neptune in the outer Solar System. Image Credit: Caltech/R. Hurt (IPAC)

For a long time now, there have been theories and rumors regarding the possible existence of another planet in our Solar System, far […]