planets

In the Far Future, Stellar Flybys Will Completely Dismantle the Solar System

Consumption and disintegration. Next time you want to be the life of the party—if you're hanging out with cool nerds…

11 months ago

A Rogue Earth-Mass Planet Has Been Discovered Freely Floating in the Milky Way Without a Star

If a solar system is a family, then some planets leave home early. Whether they want to or not. Once…

1 year ago

Check Out How Big the Planets and the Moon Will be in Our Sky Over the Next Two Years

Everything in space is moving. Galaxies collide and merge, massive clouds of gas migrate, and asteroids, comets, and rogue planets…

1 year ago

Sunrises Across the Solar System

Scientists have learned a lot about the atmospheres on various worlds in our Solar System simply from planetary sunrises or…

1 year ago

The Strange, Misshapen Orbits of Planet-Forming Disks in a Triple-Star System

Whatever we grow up with, we think of as normal. Our single solitary yellow star seems normal to us, with…

1 year ago

Are the Gaps in These Disks Caused by Planets?

Astronomers like observing distant young stars as they form. Stars are born out of a molecular cloud, and once enough…

2 years ago

Ep. 523: Judging Age & Origins, Pt. 2 Across the Solar System

Today we push our aging curiosity out into the Solar System to ask that simple question: how old is it…

3 years ago

Why Are Planets Round?

Why are the planets round? For that matter, why are all the big objects in the Universe this shape? The…

4 years ago

How Much Stuff is in a Light Year?

Determining how much stuff is a single light year is daunting, considering how big the Milky Way is. But doing…

4 years ago

How Big is Saturn?

Saturn is the second largest planet in the Solar System, so big that you could fit Earth inside it 763…

4 years ago