Shift to ultraviolet-driven chemistry in planet-forming disks marks beginning of late-stage planet formation

The chemistry of planet formation has fascinated researchers for decades because the chemical reservoir in protoplanetary…

Rodent extinctions in Hispaniola may have been caused by humans

Hispaniola once had among the highest diversity of rodents in the Caribbean. Today, only one rodent…

Scientists find evidence for magnetic reconnection between Ganymede and Jupiter

In June 2021, NASA’s Juno spacecraft flew close to Ganymede, Jupiter’s largest moon, observing evidence of…

Cat locomotion could unlock better human spinal cord injury treatment

Cats always land on their feet, but what makes them so agile? Their unique sense of…

Wide diversity of galaxies in the early universe

New data have revealed that the structures of galaxies in the early universe were much more…

Astronomers find the most distant stars in our galaxy halfway to Andromeda

Astronomers have discovered more than 200 distant variable stars known as RR Lyrae stars in the…

Hydrogen masers reveal new secrets of a massive star

While using the Atacama Large Millimeter/submillimeter Array (ALMA) to study the masers around oddball star MWC…

Scientists find pair of black holes dining together in nearby galaxy merger

While studying a nearby pair of merging galaxies scientists have discovered two supermassive black holes growing…

NASA's retired Compton mission reveals superheavy neutron stars

Astronomers studying archival observations of powerful explosions called short gamma-ray bursts (GRBs) have detected light patterns…

Galactic shock is shaping Stephan's Quintet in mysterious ways

Shockwaves resulting from the violent collision between an intruder galaxy and Stephan’s Quintet are helping astronomers…