Planets don't maintain a constant cruise control. An orbiting body picks up speed as i...
How long does it take to finish one lap? From the 88-day sprint of Mercury to the century-...
Nature rarely moves in a perfect circle. Most objects in space travel along stretched-out ...
The cosmic tether that keeps worlds in line. Without gravity, planets would fly off into t...
Decoding the "filter" of an alien sky. When an exoplanet passes in front of its ...
Storms on a scale we can barely imagine. From the gentle breezes of Earth to the supersoni...
The weight of the sky dictates the state of water. Without enough pressure from an atmosph...
How certain molecules catch the heat. Some gases let sunlight in but stop heat from escapi...
A two-way street between the planet and its inhabitants. While Earth provided a home for l...