Stargazers can see six planets all in one evening during the second month of the year, especially Mercury, which is usually difficult to spot.

Cold cosmic dust grains can link amino acids into protein‑like chains in deep space, suggesting life’s chemistry may begin ...

"We used to think that only very simple molecules could be created in these clouds. But we have shown that this is clearly ...

Scientists continue to mine data gathered by NASA's Kepler Space Telescope, retired in 2018, and continue to turn up ...

Skygazers, mark your calendars because one of the coolest celestial events is coming around again toward the end of February.

Scientists have discovered more than 6,000 planets beyond our solar system. What if some of them aren't planets at all, but tiny black holes in disguise?

Astonishingly, we can identify molecules present in the atmospheres of exoplanets.

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...

Although Mercury was geologically active in its early days, today its surface appears almost completely static. This is why ...

The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are added to the count on a rolling basis by scientists from around the world, ...

Add Yahoo as a preferred source to see more of our stories on Google. Digital art of distant planet - Dottedhippo/Getty Images On August 24, 2006, our solar system lost a planet. It wasn't by ...

Astronomers have discovered seeds of rocky planets forming in the gas around the baby sunlike star providing *** peek into the start of our own solar system. The the thing that we've discovered is ...