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

A faint signal from old telescope data is causing a stir in astronomy: a planet barely larger than Earth, with an almost ...

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

Mercury, Venus, Neptune, Saturn, Uranus and Jupiter will appear together shortly after sunset on Feb. 28 — but is this the "planet parade" we've been waiting for?

A newly identified Earth-sized exoplanet with a year-long orbit may lie near its star’s habitable zone, but extreme cold could limit its chances of hosting liquid water.

These icy bodies orbit the sun just like the major planets, yet they follow their own rules, often traveling along elongated ...

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

Scientists have shown that the building blocks of proteins can form naturally in deep space. This means the raw ingredients for life may exist long before planets are formed.

Scientists have recently focused their telescopes on a mysterious planet drifting through space, a discovery that has captured the imagination of astronomers worldwide. This Jupiter-like wanderer, ...

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 ...

Astronomers used the James Webb Space Telescope to observe the first asteroid belt seen outside of our solar system and unveiled some cosmic surprises along the way. The space observatory focused on ...

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