The Hubble Space Telescope revisits a star-forming region 5,000 light-years from Earth, which it first captured in 1997, revealing how the cosmic nursery has changed over human timescales.

Cats often flick their heads back and forth as if they've been possessed. This strange reflex has a simple explanation.

The giant planets in our solar system—Jupiter, Saturn, Uranus, and Neptune—have challenged our understanding of planetary formation and evolution. Specifically, their atmospheric formations and compositions have provided awe-inspiring images from spacecraft and given scientists key insights into the interior mechanisms of these massive worlds. But what about exoplanets? What can their atmospheres teach scientists about their formation, evolution, composition, and interior mechanisms? And how do longstanding exoplanet models stack up against the real thing?

Its story is far from over.ScienceAlert stories are written, fact-checked, and edited by humans, never generated by AI. Don't miss a story, subscribe here.

A huge analysis uncovers the sweet spot.ScienceAlert stories are written, fact-checked, and edited by humans, never generated by AI. Don't miss a story, subscribe here.