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Vast halo of hydrogen surrounds Milky Way

Observing 732,225 galaxies with the 2.5-meter telescope of the Sloan Digital Sky Survey has revealed the veil of diffuse hydrogen gas enshrouding the Milky …

How to know if climate change caused the weather

After an unusually intense heat wave, downpour, or drought, Noah Diffenbaugh and his research group inevitably get phone calls and emails asking whether …

Melting glacier leads to first modern ‘river piracy’

A warming climate has melted northern Canada’s Kaskawulsh Glacier so much that the glacier’s “retreat” has changed the course of a nearby river, new …

Map shows potential landing spot for Mars 2020 rover

Scientists have published the most detailed geological history to date for a region of Mars known as Northeast Syrtis Major. The spot is high on NASA’s list …

Did sore teeth make Tsavo lions eat people?

It wasn’t desperation that drove the legendary “man-eating lions of Tsavo” to terrorize a railroad camp in Kenya more than a century ago, according to a …

Shark count yields surprising numbers

Scientists know that shark populations have declined over the past several decades, but vital baseline information has been missing. A new study is bringing …

Just one new thing can jostle the food web

Seeing how a new crop or missing animal affects the food web of the Ancestral Puebloan southwestern United States could shed light on the future of our food. …

Why your shoelaces are always coming untied

The mystery behind why your shoelaces constantly seem to untie themselves could finally have a solution. The study is more than an example of science …

Dirt-free indoor garden grows a year of weekly salads

A new device can produce enough food to make one salad per week for an entire year—and do it inside an apartment. “The pumps are always going,” says …

ALMA Captures Dramatic Stellar Fireworks

Stellar explosions are most often associated with supernovae, the spectacular deaths of stars. But new ALMA observations provide insights into explosions at …

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