Four baby planets show how super-Earths and sub-Neptunes form

Thanks to the discovery of thousands of exoplanets to date, we know that planets bigger than Earth but smaller than Neptune ...

Easily See Two Stars That Flew Past The Sun — And Made Earth Habitable

Fact-based stories from our cosmic neighbourhood, one star or constellation at a time. Name it, navigate it, know it.
Morning Overview on MSN

A hidden world? Astronomers may have found a new solar system planet

Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously ...
Morning Overview on MSNOpinion

Sedna’s 11,400-year orbit just opened a rare exploration shot

Sedna is drifting into a part of its path where human technology can finally contemplate catching up, and that window will ...
Gizmodo

Unprecedented Image Shows 2 Protoplanets Smashing Into Each Other, Forming Giant Dust Cloud

In 2004, astronomers spotted a planet-like object orbiting Fomalhaut, one of the brightest stars in the night sky. With further observations, however, it started to look more like a dust cloud—a ...
Science Daily

James Webb catches a giant helium cloud pouring off a puffy planet

Astronomers using the James Webb Space Telescope have captured dramatic helium streams pouring off the super-puff exoplanet WASP-107b, revealing a world with an enormously inflated, weakly bound ...