NASA's FYI 2017 Budget Request May Delay SLS Europa Mission Several Years

We are finally going back to Europa, but it may be a little later than planned. Image Credit: NASA/JPL-Caltech/SETI Institute

We are finally going back to Europa, but it may be a little later than originally planned. Image Credit: NASA/JPL-Caltech/SETI Institute

The recently announced new mission to Jupiter’s moon Europa, a highly anticipated return to this ocean world, may face a launch delay from 2022 to the late 2020s. The news comes amid the release […]

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, […]

'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 […]

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 […]

Jason-3 Critical to Understanding Rising Sea Levels: Interview with Project Scientist Josh Willis (Part 1)

The Jason-3 satellite undergoing final preparations for placement within a payload fairing for launch. Photo Credit: NASA

The Jason-3 satellite undergoing final preparations for placement within a payload fairing for launch atop a SpaceX Falcon-9 rocket, currently scheduled for Sunday, Jan. 17 from Vandenberg AFB in southern CA. Photo Credit: NASA

On January 17, an Earth science spacecraft designed to measure the surface topography of our planet’s ocean is scheduled to […]

Pluto's Large Nitrogen Ice 'Sea' Probably Formed from Giant Impact, Scientists Say

The vast ice plains of Sputnik Planum on Pluto. Image Credit: NASA/JHUAPL/SwRI

The vast ice plains of Sputnik Planum on Pluto. The basin, now filled with nitrogen ice, was probably created by a huge impact. Photo Credit: NASA/JHUAPL/SwRI

Instead of being little more than a frozen and unchanging rocky iceball, Pluto has been revealed to be a complex and dynamic little world, with mountains, valleys, vast icy […]

Dawn Spacecraft Begins Extensive Study of Dwarf Planet Ceres from Lowest Orbit

Artist's conception of Dawn orbiting Ceres. Image Credit: NASA/JPL-Caltech

Artist’s conception of Dawn orbiting Ceres. Image Credit: NASA/JPL-Caltech

The Dawn spacecraft just recently entered its lowest and final orbit around the dwarf planet Ceres, providing the closest look ever at the puzzling world. Dawn will, of course, be taking thousands more high-resolution photographs, but what else will it be doing during the remainder […]

2015 in Review: A Year of Spectacular Planetary Missions and Discoveries

High-resolution view of Pluto from New Horizons, showing rugged mountains and vast icy plains. Image Credit: NASA/JHUAPL/SwRI

High-resolution view of Pluto from New Horizons, showing rugged mountains and vast icy plains. Image Credit: NASA/JHUAPL/SwRI

To say that 2015 has been a great year for planetary exploration would be an understatement, with fantastic new discoveries from around the Solar System. From our first ever close-up look at Pluto and its moons, to […]

First High-Resolution Images Released of Ceres from Dawn's New Lowest Orbit

One of the first new images taken in Dawn's lowest orbit around Ceres, showing the crater chain called Gerber Catena. Image credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA

One of the first new images taken in Dawn’s lowest orbit around Ceres, showing the crater chain called Gerber Catena. Photo Credit: NASA/JPL-Caltech/UCLA/MPS/DLR/IDA

NASA has released the first images of the dwarf planet Ceres from the Dawn spacecraft’s new lowest orbit. This is the closest view that Dawn will have of Ceres and its intriguing […]