Every planet in our solar system is essentially round. But out in the universe, are there any planets that aren't spherical? Technically, planets are round, by definition; they need to have enough ...

Spruce it up with moons, rings, comets, or even a black hole.Model Earth's ClimateWatch sea ice grow and recede with the seasons because of the tilt of the Earth: change the tilt and change the ...

If the fabric of the universe is a flat, rubbery sheet, Earth is a pothole that bends the fabric of spacetime into a funnel around it. But what would it be like to overcome Earth’s gravity, lift off ...

A star about 600 light-years away is giving astronomers a front-row view to the environments in which rocky planets like Earth form around the most abundant stars in the universe. Called ISO-ChaI 147, ...

NASA has plans to return astronauts to the lunar surface in the near future. Next year, four astronauts will orbit the moon. "We don't need to go back to the moon just for the moon. We're going back ...

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of the universe beyond our solar system. Michel Mayor ...

A distant flicker of light from a star can reveal more than you might expect. In fact, a brief, subtle brightening in the sky has helped scientists uncover something astonishing: planets much like ...

Mankind has always wondered if we’re alone in the universe. Now, a Mars rover has found what looks like signs of life in the ...

From lava worlds to gas giants, NASA says the variety of these worlds is staggering—and that signs of a further 8,000 distant ...