The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.

The private Fram2 mission is launching later today, sending a crew of amateurs to an unprecedented polar orbit—a frontier ...

Even more exciting, the model suggests that some Earth-like planets could form in the habitable zone—the region around a star ...

Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an ...

From satellite-powered connectivity to climate monitoring and disaster management, space technology is helping solve ...

Have you ever wondered why we celebrate Earth Day? We've got information on why we dedicate a day to our planet, when Earth ...

Life could have the time and energy to arise and prosper on Earth-like worlds in the rapidly shrinking "Goldilocks zones" ...

Prior to 2040, the last planetary quintuplet occurred in the year 1186, and according to Uptain, records show that the close ...

Needham native and astronaut Sunita Williams, along with fellow astronaut Butch Wilmore, spoke Monday for the first time ...

Proctor/J. Pollard A quartet of Earth-like worlds, each about 20% to 30% the size of our planet, circle one of our closest ...

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...