orbits

Why don’t we see exoplanets sharing the same orbit? Tides.

Two planets that share the same orbit likely don’t exist.

By Phil Plait | 

6 months ago

Second-ever Earth Trojan asteroid found!

2020 XL5 shares an Earth-like orbit.

By Phil Plait | 

12 months ago

Another day, another asteroid that won't hit us: Nereus will miss Earth tomorrow

Geez, THIS again?

By Phil Plait | 

1 year ago

Mood swings in Earth's orbit can influence evolution of phytoplankton

Jupiter is messing with our plankton!

By Cassidy Ward | 

1 year ago

Puzzling planets perpetrating perpendicular paths perplex people

Nearby star HD 3167 has planets orbiting at right angles

By Phil Plait | 

1 year ago

Astronomers 'find' a second planet orbiting Beta Pictoris due to extremely tiny wiggles by the first planet

By Phil Plait | 

1 year ago

Can you build a satellite made out of… wood?

By Phil Plait | 

1 year ago

Don’t panic! But a gigantic comet is currently inbound toward the Sun

By Phil Plait | 

1 year ago

A six-planet system dances in time to the tune of gravity

By Phil Plait | 

2 years ago

Does Planet Nine exist? An alien world 300 light years away gives hope

By Phil Plait | 

2 years ago