New simulations suggest that up to four of the solar system's rocky planets, including Earth and a long-lost world, once ...

As giant planet HIP 67522 b orbits its host star, it triggers its own doom. The planet orbits HIP 67522, a young star ...

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our ...

I n 300 years, NASA's Voyager spacecraft will reach a hypothetical region of space, long thought to exist but for which we do ...

Such changes would make it difficult for life as we know it to survive on Earth. The increased heat and radiation would likely lead to the extinction of most life forms. The Sun's death would also be ...

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby ...

The astronomers observed hot minerals just beginning to solidify – the first specks of planet-forming material, the ...

Pitts suggests casual stargazers make an effort to identify Venus, Saturn, Jupiter and Mars over the coming month. "The four bright planets are visible any clear night between sunset and about 8 p ...

It’s a yellow dwarf in the making like the sun, yet much younger at 100,000 to 200,000 years old and some 1,370 light-years away. A single light-year is 6 trillion miles.