space
Wild New Theory Suggests Pluto Formed From a Billion Comets

Pluto may not be a planet, but it remains one of the most intriguing objects in the outer Solar System. Its unexpected chemical composition has confounded scientists for years, but a new theory may finally hold the answer. Pluto, according to a pair of Southwest Research Institute scientists, is basically an overgrown comet. Read More >>

astronomy
Pluto’s Moon Charon Now Has a Crater Called Dorothy, Among Other Newly Named Features

Up until July 2015, Pluto’s largest moon, Charon, was just a pixel in terms of what we knew about it. That all changed when NASA’s New Horizons spacecraft zipped through the system, revealing craters, deep crevices, valleys, and mountains on the distant moon—surface features that now have formal names. Read More >>

space
NASA Captures Impossible Glimpse of Kuiper Belt Object Billions of Miles Away

In about a year and a half from now, the New Horizons Spacecraft will whizz past a distant Kuiper Belt object named 2014 MU69. This rocky relic of the ancient Solar System—which is located about four billion miles away—just passed in front of a distant star, resulting in one of the more extraordinary eclipses ever captured by scientists. Read More >>

space
Our Sun’s Quirky Tilt Means Planet Nine Might Actually Exist

New research links the odd and unexplained six-degree tilt of our Sun to an undiscovered planet in the outer reaches of our solar system. It’s even more evidence that planet Nine is for real. Read More >>

space
New Horizons Spacecraft is Approaching a Mysterious Red Object

NASA’s New Horizons space probe is currently speeding towards a mysterious Kuiper Belt Object known as MU69. Recent observations of the distant object indicate a very reddish surface—possibly even redder than the splotches found on Pluto. Read More >>

space
NASA Spacecraft Catches a Rare Glimpse Dwarf Planet Quaoar

New Horizons is currently making its way to the outer reaches of the Kuiper Belt en route to a distant destination beyond Pluto. Along the way, the intrepid spacecraft has captured unprecedented images of a distant object called Quaoar — a dwarf planet about half the size of Pluto. Read More >>

space
Expect To See Images From the Kuiper Belt in 2019

In 2015, NASA’s New Horizons mission made history when it captured the first detailed images of Pluto at the far edges of our solar system. Now, it’s set to go even further after the NASA mission received an official green light to extend its mission into 2019. Read More >>

space
A Mysterious Object Beyond Pluto Is Coming Into Focus

Pluto may be long gone, but NASA’s New Horizons spacecraft is by no means finished with the outer solar system. For the second time, New Horizons has observed 1994 JR1, a 90-mile wide Kuiper Belt Object (KBO) that orbits over 3 billion miles from the sun. Read More >>

space
The Best Guess at What ‘Planet Nine’ Looks Like

The astronomical community is abuzz with the possibility that a ninth planet exists in the far reaches of the solar system. A new study by European scientists imagines what this hypothetical planet might look like, revealing important insights as to how we might actually find it. Read More >>