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

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

A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four massive but extremely low-density worlds orbiting the star appear to be ...

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

Space has a way of making scientists throw out their textbooks. Just when astronomers think they understand how the universe works, a telescope captures something that doesn’t fit any existing theory.

Add Yahoo as a preferred source to see more of our stories on Google. An illustration showing Planet Nine, a hypothetical, undiscovered planet in our solar system. New research now suggests the ...

Astronomers have long faced a strange contradiction: most stars are born in pairs, and ...

It was one of humanity’s greater vanities that we ever questioned whether there are any planets in the universe beyond the eight in our little solar system. Our sun is a perfectly ordinary star, ...

A decade of observations of four planets around the young planetary system V1298 Tau revealed a rare, long-sought missing ...

When my colleagues and I send them out to explore our solar system, it's important for us to understand the 3D map of our ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...