Engineers observe avalanches in nanoparticles for the first time
Researchers at Columbia Engineering report today that they have developed the first nanomaterial that demonstrates "photon avalanching," a process that is unrivaled in its...
Melting icebergs key to sequence of an ice age, scientists find
Scientists claim to have found the 'missing link' in the process that leads to an ice age on Earth.
Melting icebergs in the Antarctic are...
The dire wolf was a distinct species, different from the gray wolf, biologists discover
The iconic, prehistoric dire wolf, which prowled through Los Angeles and elsewhere in the Americas over 11 millennia ago, was a distinct species from...
Could we harness energy from black holes?
A remarkable prediction of Einstein's theory of general relativity -- the theory that connects space, time, and gravity -- is that rotating black holes...
Storm in a cosmic teacup: A new paradigm for understanding plasma turbulence
On the path to writing his Ph.D. dissertation, Lucio Milanese made a discovery—one that refocused his research, and will now likely dominate his thesis.
Milanese...
Mistaken identity: A presumed supernova is actually something much rarer
In a case of comic mistaken identity, an international team of astronomers revealed that what they once thought was a supernova is actually periodic...
Upper ocean temperatures hit record high in 2020
Even with the small COVID-19-related dip in global carbon emissions due to limited travel and other activities, the ocean temperatures continued a trend of...
New study reveals how fences hinder migratory wildlife in the West
Each year, thousands of migratory mule deer and pronghorn antelope journey northwest from their winter homes in the Green River Basin, a grassland valley...
Researchers find wildfire smoke is more cooling on climate than computer models assume
A study of biomass burning aerosols led by University of Wyoming researchers revealed that smoke from wildfires has more of a cooling effect on...
NASA missions help investigate an ‘Old Faithful’ active galaxy
During a typical year, over a million people visit Yellowstone National Park, where the Old Faithful geyser regularly blasts a jet of boiling water...
New Horizons spacecraft answers the question: How dark is space?
How dark is the sky, and what does that tell us about the number of galaxies in the visible universe? Astronomers can estimate the...
