Solar System
Three New Earth-sized Planets Found Just 40 Light-Years Away
Three more potentially Earthlike worlds have been discovered in our galactic backyard, announced online today by the European Southern Observatory. Researchers using the…
Who Discovered Gravity?
Among Sir Isaac Newton's many contributions to science was the discovery of gravity. one of the fundamental forces of the…
How Do We Terraform Jupiter’s Moons?
Jupiter's four largest moons - the Galileans - have long been considered as possible sites for human habitation, and even…
How Do We Know There’s a Planet 9?
Are you having trouble keeping track of all the planets in the Solar System? Good news! Astronomers have found evidence…
Our Sun May Have Eaten A Super Earth For Breakfast
A Super-Earth may have formed in our Solar System's earlier days, and then been destroyed by the Sun.
Icy Hot: Europa’s Frozen Crust Could Be Warmer Than We Thought
All the worlds may be ours except Europa but that only makes the ice-covered moon of Jupiter all the more intriguing. Beneath…
ExoMars Takes First Hi-Res Image With The Lens Cap On
ExoMars returns its first image, proof that the camera system is functioning as intended.
Astronomy Cast Ep. 409: Spin in the Solar System
The Solar System is a spinny place. Everything’s turning turning. But if you look closely, there are some pretty strange…
New Horizons Did Amazing Work Before Even Arriving At Pluto
New Horizons collected 3 years of data during it's mission to Pluto and beyond, and that data is telling us…
Mysterious Pull On Cassini Probe May Help Find Planet Nine
Small perturbations in the orbit of the Cassini probe provide further evidence for the existence of Planet Nine.