The faraway exoplanet could help provide answers as to why there are hardly any planets with twice the diameter of Earth.

So in some sense, alien worlds were not first discovered in the 1990s or even the 1980s. It took nearly a century to fully ...

"There really is something very different about how these giant planets form versus how small planets like Earth form." ...

Dark matter is a confounding concept that teeters on the leading edges of cosmology and physics. We don't know what it is or ...

Astronomers discover a super-Earth and a sub-Neptune 250 light years away from our solar system. These planets offer a ...

New findings from the ALMA telescope have revealed that planets are born in much smaller protoplanetary disks than ...

Astronomers have discovered that the flattened clouds of gas and dust around stars — nurseries that give birth to planets — are ... of extrasolar planet, or "exoplanet," called a super-Earth.

The James Webb Space Telescope has directly observed the key chemical of carbon dioxide in planets outside of our solar ...

A new study is challenging the science of the formation of sub-Neptunian planets, which are the most common in the Milkey Way ...

Finding alien life won’t be as dramatic as a flying saucer landing on the White House lawn – it’ll be NASA scientists holding ...

Webb’s latest discovery has opened a thrilling new chapter in exoplanet research by capturing the first-ever direct images of ...

The findings provide strong evidence that four giant exoplanets 130 light-years from Earth formed much like Jupiter and ...