Chemistry students are taught that hydrogen bonds and covalent bonds are distinct, but a new study shows they exist on a continuum.
The origins of an enigmatic type of lightning in the upper atmosphere has been traced to a 10-microsecond flash of bright blue light.
A flat-ended rock found in an Israeli cave marks an early technological shift by human ancestors to make stone tools for grinding rather than cutting.
For years, researchers thought an infectious pathogen was behind sea star wasting disease. Instead, bacteria deplete the starfishes’ oxygen.
An unlikely pair of films recount tales of two very different mathematical women, Maryam Mirzakhani and Shakuntala Devi.
This interactive visualization reveals the diversity of smashups that generate gravitational waves.
Epidemiologist Michael Osterholm, an adviser to the Biden transition team, talks about the plans to tackle the public health crisis COVID-19 created.
A distant galaxy harbors an active black hole and active star formation at the same time – an unusual coincidence.
Swapping out the electrolyte in zinc-air batteries helps these next-gen power sources last longer.