News

Planetary Science

Laser experiments suggest helium rain falls on Jupiter

Compressing a hydrogen and helium mixture with lasers shows that the two elements separate at pressures found within gas giant planets.

Anthropology

Hunter-gatherers first launched violent raids at least 13,400 years ago

Skeletons from an ancient African cemetery bear the oldest known signs of small-scale warfare.

Health & Medicine

Here are answers to 3 persistent questions about the coronavirus’s origins

Calls to double down on investigations into where SARS-CoV-2 came from — nature or a lab accident — are rising as answers remain scarce.

Particle Physics

In a first, neutrinos were caught interacting at the Large Hadron Collider

Despite the LHC’s fame, all its detectors were oblivious to neutrinos.