Tags: planet

Planet Earth: Facts about our home planet

Earth, our home, is the third planet from the sun. While scientists continue to hunt for clues of life beyond Earth, our home planet remains the only place in the...

A New Planet Next Door?

Astronomers have imaged something near the star Alpha Centauri A, in the star system next door to our sun, just 4.4 light-years away. Is it an asteroid, or dust, or...