Explore the unique gravitational challenges of planetary leaping.

"Consider a hypothetical solar system where all the planets reside within the star's habitable zone, potentially supporting ...

The planet is "crumbling to pieces," shedding the equivalent of Mount Everest’s mass every 30.5-hour orbit and will be ...

An international team including astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has announced the ...

"This measurement of the planet population from planets somewhat larger than Earth all the way to the size of Jupiter and ...

About 5,800 planets beyond our solar system, called exoplanets, have been discovered since the 1990s. Of those, only four ...

Learn about the solar system from a pair ... you'll find a complete simulation of our Milky Way galaxy — 400 billion star systems, along with every known planet, moon, black hole, and celestial ...

The astronomers spotted the planet using NASA's Transiting Exoplanet Survey Satellite (TESS), an MIT-led mission that ...

Astronomers from MIT have uncovered a dramatic celestial spectacle: a Mercury-sized exoplanet that is rapidly disintegrating ...

A new "Tatooine-like" planet outside the solar system may orbit two failed stars, scientists reported Wednesday. Related video above: The dark energy pushing our universe apart may not be what it ...

Back in the 19 nineties, astronomers started to see growing evidence that the universe was accelerating. We thought gravity would slow things down so I could throw up *** ball. Gravity is gonna ...