First observed interstellar object is a speedy, cigar-shaped asteroid

Last month, astronomers running the Pan-STARRS 1 telescope in Hawaii spotted an intriguing object moving through our solar system and it became clear pretty quickly that the object, whether it was a comet or an asteroid, had come from outside of our...

Touring the solar system with a new book of NASA photos

It's easy to get jaded by images of our solar system, especially when NASA probes like Cassini make it look so routine. A new book called The Planets, written and curated by Nirmala Nataraj with a forward by Bill Nye and featuring hundreds of stunnin...

What’s next for NASA as Cassini’s mission comes to a close

After nearly two decades in space and 11 years studying Saturn (and its myriad of moons), the Cassini spacecraft ended its mission at roughly 6:30 am Eastern on Friday, when it slammed into the gas giant's suffocating atmosphere. It was an auspicious...

NASA seeks Jupiter’s secrets with historic spacecraft flyover

Every planet in our solar system is famous for something. Saturn has its rings, Mars has its soil, Uranus that unfortunate name, and Jupiter has the Great Red Spot: a titanic storm that has been spinning for over 350 years. And though we've peered at...

‘Asteroid Day’ is a good time to learn about the threat of space rocks

On June 30th, 1908, more than 770 square miles of remote Russian forest were obliterated from the face of the Earth when a relatively small meteor, estimated at only around 400 feet across, unleashed 15 megatons of energy above the Stony Tunguska Riv...