At 23.5 times Earth’s mass, GJ 523b is massive enough that standard planet-formation models struggle to explain why it didn’t accumulate a huge hydrogen-helium envelope — yet the planet is extraordinarily dense and apparently mostly rock, and astronomer
Velocity
How fast coverage is spreading — measured hourly from article rate × source diversity. How this works →
Coverage (0)
Related trends
The human brain is two separate organs, study finds
Six biology breakthroughs that should have won a Nobel Prize—but didn’t
Coverage from Science, Oncodaily, and DongA Science examines major scientific breakthroughs that missed receiving a Nobel Prize.
Scientists find a surprising clue to why the universe’s expansion doesn’t add up
Scientists have identified primordial magnetic fields as a potential solution to the long-standing Hubble tension regarding the universe's expansion rate.
How Enceladus' ocean spray becomes chemically diverse ice grains
Recent scientific findings explore how Enceladus' ocean spray transforms into chemically diverse ice grains.
A climate threat may lurk beneath Antarctica's last great unknown
Scientific coverage highlights the melting East Antarctic basin as a major unknown climate threat with potential global sea level impacts.
A meteor hit Oklahoma 100 million years later than scientists thought
New zircon dating suggests Oklahoma's Ames crater formed nearly 100 million years later than previously understood.