Five hundred million years ago, the oceans teemed with trillions of trilobites—creatures that were distant cousins of horseshoe crabs. All trilobites had a wide range of vision, thanks to compound eyes—single eyes composed ...
Optics & Photonics
Apr 19, 2022
1
922
A bright fireball was observed by a network of all-sky cameras across southern Ontario at 11:37pm on Sunday, April 17, 2022. Analysis of the video data suggests that fragments of the meteor are likely to have made it to the ...
Astronomy
Apr 19, 2022
0
521
Researchers have designed a new compact camera that acquires wide-angle images of high-quality using an array of metalenses—flat nanopatterned surfaces used to manipulate light. By eliminating the bulky and heavy lenses ...
Optics & Photonics
Apr 14, 2022
1
138
The European Space Agency on Wednesday ended cooperation with Russia on three missions to the Moon due to Moscow's invasion of Ukraine, following a previous decision to do the same for a Mars mission.
Space Exploration
Apr 14, 2022
1
25
On Feb. 14, NASA's Lucy spacecraft, which is in the first few months of its journey to the Trojan asteroids, obtained a series of calibration images with its four visible-light cameras. The first test images were taken in ...
Space Exploration
Apr 11, 2022
0
104
The lazily winding spiral arms of the galaxy NGC 5921 snake across this image from the NASA/ESA Hubble Space Telescope. This galaxy lies approximately 80 million light-years from Earth, and much like our own galaxy, the Milky ...
Astronomy
Apr 11, 2022
0
99
A first-of-its-kind study led by University of Minnesota Twin Cities researchers reveals why liquid droplets have the ability to erode hard surfaces. The discovery could help engineers design better, more erosion-resistant ...
Condensed Matter
Mar 31, 2022
1
1353
An international team of astronomers reports the discovery of a new ultra-faint dwarf galaxy as part of the DECam Local Volume Exploration (DELVE) survey. The newly found galaxy, designated Pegasus IV, has an absolute magnitude ...
Sleeping in a car may be a necessity for scientists conducting fieldwork. In 2020, a team of young researchers spent two nights sleeping in their car in the mountains of western Panama. The second time it was not intentional: ...
Ecology
Mar 25, 2022
0
600
Great white sharks around Mexico's Guadalupe Island sometimes hang out with each other—and while it's not a popularity contest, some might just be a little more social than others.
Plants & Animals
Mar 23, 2022
1
91
