Stories by Shannon Hall

One astronomer suggests that we cannot necessarily disentangle the two

In full flow it would rank 11th among the largest rivers today

The animals are expanding northward as the Arctic heats up, yet new diseases of a warmer world are taking a toll

A search for low-frequency “hums” from supermassive black holes comes up empty

Melting ice and shifting rain patterns are causing the north and south poles to drift

Mountains thrusting from Red Planet crater floors were probably dug by billion-year breezes

Astronomers are homing in on the whereabouts of a hidden giant planet in our solar system, and could discover the unseen beast in roughly a year

The giant volcano lurking under the state of Wyoming might not have originated from a rising plume of hot rock, as previously thought

A new tally proposes that roughly 700 quintillion terrestrial exoplanets are likely to exist across the observable universe—most vastly different from Earth

Rainfall in the Rocky Mountains shows a surprisingly high amount of mercury, worrying scientists about what’s to come

Scientists are still searching for what's behind the perceived dimming of Tabby's Star

Newly discovered giant rifts and lakes mean that ice sheets could become surprisingly unstable as climate changes

The behavior is so extreme, researchers have coined a new term for it

The confirmed oceans alone add up to 50 times the amount of water on Earth

Investigations against oil and coal companies raise optimism for a cleaner future

The current standoff between Native Hawaiian protesters and proponents of the planned Thirty Meter Telescope (TMT) can take some lessons from similar disputes in the past

Better equipment, visibility allow University of Hawaii researchers to map and photograph planes lost during the December 7, 1941 bombing

The cosmic neutrino background could provide more details about the universe as it once was

Scans reveal 28 mantle plumes rising from Earth’s core—the first direct evidence that these columns of heat create hotspots

Video talks (and one audio interview) with the scientists behind four transformative innovations

As you dig into those mashed potatoes, be grateful the universe’s physical constants are so precise that a slight variation in any one would render that drumstick—and even your existence—impossible

A dozen quasars in the early universe appear to have shut down in just a few years, baffling astronomers

A new investigation shows the oil company understood the science before it became a public issue and spent millions to promote misinformation

Two new studies pinpoint why doctors come to work sick and offer solutions for hospitals to implement