Search query: ray
Categories: All Categories
13142 records searched, 325 records found, 20 matches displayed
< Previous 20 articles Next 20 articles >
Search Hints:
- Use a + (plus sign) or - (minus sign) to include or exclude a word: +mars -venus
- Use a ? (question mark) as a wildcard for a single letter: te?t (test,text)
- Use a * (asterisk) as a wildcard for multiple letters: he*t (heat, heart)
- Use a ~ (tilde) to expand word endings: meteor~ (meteorite, meteorid, meteorology)
Most frequent words for articles published in the last 45 days:
developed (95),
climate (85),
team (83),
species (75),
cells (74),
used (72),
human (64),
help (61),
change (60),
water (60),
years (60),
data (57),
energy (55),
such (53),
carbon (51),
discovered (50),
time (48),
like (47),
materials (46),
even (44)
Published NASA's Fermi finds new feature in brightest gamma-ray burst yet seen



In October 2022, astronomers were stunned by what was quickly dubbed the BOAT -- the brightest-of-al...
Published No gamma rays seen coming from nearby supernova



A nearby supernova in 2023 offered astrophysicists an excellent opportunity to test ideas about how...
Published Brightest gamma-ray burst ever observed reveals new mysteries of cosmic explosions - Brightest Gamma-Ray Burst Ever Observed Reveals New Mysteries of Cosmic Explosions


Scientists believe the gamma-ray emission, which lasted over 300 seconds, is the birth cry of a blac ...
Published Telescope Array detects second highest-energy cosmic ray ever



In 1991, an experiment detected the highest-energy cosmic ray ever observed. Later dubbed the Oh-My- ...
Published NASA's Swift, Fermi missions detect exceptional cosmic blast - NASA's Swift, Fermi Missions Detect Exceptional Cosmic Blast


Astronomers around the world are captivated by an unusually bright and long-lasting pulse of high-en...
Published New X-ray imaging technique to study the transient phases of quantum materials - New X-ray Imaging Technique to Study the Transient Phases of Quantum Materials



An international team of researchers has recently demonstrated for the first time the use of a new l...
Published Astronomers confirm star wreck as source of extreme cosmic particles - Astronomers Confirm Star Wreck as Source of Extreme Cosmic Particles


NASA's Fermi Gamma-ray Space Telescope confirms one supernova remnant as a launch site for some of o ...
Published X-ray detection sheds new light on Pluto - X-Ray Detection Sheds New Light on Pluto


Scientists using NASA's Chandra X-ray Observatory have made the first detections of X-rays from Plut ...
Published Ice-cold electron beams for ultra-compact X-ray lasers - Ice-Cold Electron Beams for Ultra-Compact X-Ray Lasers



Ice-cold electron beams could pave the way to reducing X-ray free-electron lasers (X-FELs) to a frac ...
Published Ray-finned fish survived mass extinction event - Ray-Finned Fish Survived Mass Extinction Event


Ray-finned fish, now the most diverse group of backboned animals, were not as hard hit by a mass ext ...
Published Falling stardust, wobbly jets explain blinking gamma ray bursts - Falling Stardust, Wobbly Jets Explain Blinking Gamma Ray Bursts


Astrophysicists have developed the first 3D simulation of the entire evolution of a jet -- from its...
Published Tens of thousands of endangered sharks and rays caught off Congo



Tens of thousands of endangered sharks and rays are caught by small-scale fisheries off the Republic ...
Published New mirror that can be flexibly shaped improves X-ray microscopes



Researchers have developed a unique shape-tunable mirror that can change shape to optimally channel...
Published Scientists capture X-rays from upward positive lightning



Researchers have for the first time recorded X-rays being produced at the beginning of upward positi ...
Published Surprise gamma-ray feature beyond our galaxy



Astronomers analyzing 13 years of data from NASA's Fermi Gamma-ray Space Telescope have found an une ...
Published Achieving quantum memory in the hard X-ray range



Physicists have used Doppler-shifted nuclear resonant absorbers to form a nuclear frequency comb, en...
Published After hundreds of years, study confirms Bermuda now home to cownose rays



Using citizen science, photographs, on-water observations and the combination of morphological and g...
Published Scientists discover the highest energy gamma-rays ever from a pulsar



Scientists have detected the highest energy gamma rays ever from a dead star called a pulsar. The en ...
Published A hidden treasure in the Milky Way -- Astronomers uncover ultrabright x-ray source



Astronomers uncovered that a well-known X-ray binary, whose exact nature has been a mystery to scien ...
Published Measuring gamma-ray bursts' hidden energy unearths clues to the evolution of the universe - Measuring Gamma-Ray Bursts' Hidden Energy Unearths Clues to the Evolution of the Universe


When stars die out, they emit gamma-ray bursts. Although scientist can calculate the explosion energ ...