As far-fetched as it may seem, quirks of orbital mechanics could allow hundreds of planets to be packed around a star ...

Astronomers watched water clouds grow thicker and thinner on a world trillions of miles away. It's familiar weather in a ...

The fate of our solar system is written in the stars—well, one star to be precise: the sun. Estimates of what the end will ...

Scientists believe there are planets outside our solar system where life is even more abundant and sustainable.

Asteroids are leftover pieces from the formation of our solar system about 4.5 billion years ago. In the beginning, ...

A homeowner in Florida's Panhandle said a $65,000 Tesla solar-and-battery installation saved money over several years before ...

Harvard geoscientists reported that organic matter harvested from certain meteorites bears chemical traces of “primitive ...

Let's move on to the second half of our discussion about the universe.In the first half, we looked at galaxies in the early ...

Dust around distant stars is revealing clues to collisions powerful enough to reshape young planets. Astronomers using the ...

For the first time, astronomers have spotted a star that appears green to the human eye, and the reddest ever recorded. These ...

Volunteers going through huge volumes of image have discovered a possible “ice-cold Earth” just 6% larger than our planet in ...

Analyzing a sample of 300 of the best-characterized planetary systems among the more than 1,000 known in the Milky Way, an ...