Dark comet 1998 SH2 spent 27 years cataloged as a routine asteroid before outgassing steered it invisibly off course, ...

Astronomers have identified erythrulose, a four-carbon sugar with the molecular formula C4H8O4, drifting through the gas ...

An international team of researchers has detected the first true sugar molecule in interstellar space, giving us a clue that sugar can exist way before planets begin to form.

Venus' bizarre and extraordinarily slow retrograde rotation on its axis has long puzzled planetary scientists. But in a new paper presented at the recent European Geosciences Union General Assembly in ...

Using the Keck Observatory, astronomers measured the spins of dozens of giant planets and brown dwarfs orbiting distant stars. They found that giant planets can spin faster than much more massive ...

A vertical dark band cutting through a bright nebula marks the protoplanetary disk surrounding the young star IRAS 04302+2247. Observations of such disks will help astronomers understand how small ...

The new MLB season is, finally, almost upon us. With the World Baseball Classic done and dusted, teams are finishing up their spring training slate Tuesday before Wednesday’s Opening Night matchup ...

Add Yahoo as a preferred source to see more of our stories on Google. Study suggests moons orbiting rogue planets could host liquid oceans for billions of years using tidal heating and hydrogen ...

WASHINGTON — NASA’s planetary science program, while spared steep cuts proposed last year, is still facing a funding shortfall that requires “strategic choices” about which missions to continue.

Add Yahoo as a preferred source to see more of our stories on Google. Our solar system is mostly arranged along one plane in space, as in this not-to-scale artist's diagram. NASA/JPL, CC BY If you've ...

A rare celestial event will be taking place in the sky above California on Saturday night, as six planets are expected to be visible in what is being called a "planetary parade." Look towards the ...

A rare celestial occasion will light up the Saturday evening skyline, featuring a bright six-planet parade in a special planetary alignment visible to stargazers. Mercury, Venus, Neptune, Saturn, ...