Earth's climate has changed throughout history for numerous reasons, but modern climate change is driven by human behavior.

Are they exo terrestrials? Mars is apparently not the only planet on our radar capable of sustaining life. UK researchers ...

Astronomers who identified HD 20794 d say its proximity to its host star and orbital pattern suggest it could hold water.

The Earth formed over 4.6 billion years ago out of a mixture of dust and gas around the young sun. It grew larger thanks to countless collisions between dust particles, asteroids, and other growing ...

Is it possible to dig all the way through the Earth to the other side? – Anishwar, age 8, India When I was a kid, I liked to dig holes in my backyard in Cincinnati. My grandfather joked that if ...

Jamie Carter is an award-winning reporter who covers the night sky. A planet’s opposition occurs when Earth passes between it and the Sun. As a consequence of that geometry, Neptune’s disk ...