Observations made with a new instrument developed for use at the 2.1-meter (84-inch) telescope at the National Science Foundation's Kitt Peak National Observatory have led to the discovery of the fastest eclipsing white dwarf ...
Astronomy
Jul 24, 2019
8
404
Using ESA's XMM-Newton and NASA's Swift spacecraft, astronomers have found that a hard X-ray source known as 2PBCJ0658.0-1746 is an eclipsing magnetic cataclysmic variable of the polar type. The finding, presented in a paper ...
Back in 2004, the physics community was just beginning to recognize the existence of truly two-dimensional (2-D) material, graphene. Fast-forward to 2019, and scientists are exploring a breadth of 2-D materials to uncover ...
Materials Science
Jul 16, 2019
0
135
An international team of astronomers has detected a new brown dwarf with an ultra-short orbital period that transits an active M-dwarf star. The newfound object, designated NGTS-7Ab, turns out to be the shortest period transiting ...
A grape variety still used in wine production in France today can be traced back 900 years to just one ancestral plant, scientists have discovered.
Plants & Animals
Jun 10, 2019
0
880
By analyzing data from NASA's Rossi X-ray Timing Explorer (RXTE) satellite, astronomers have detected millihertz quasi-periodic oscillations from a low-mass neutron star X-ray binary designated EXO 0748−676. The finding ...
A new relative of the Tyrannosaurus rex—much smaller than the huge, ferocious dinonsaur made famous in countless books and films, including, yes, "Jurassic Park—has been discovered and named by a Virginia Tech paleontologist ...
Archaeology
May 6, 2019
1
1080
History can tell us a lot about the Crusades, the series of religious wars fought between 1095 and 1291, in which Christian invaders tried to claim the Near East. But the DNA of nine 13th century Crusaders buried in a pit ...
Archaeology
Apr 18, 2019
21
1625
A million years ago, a longtime pattern of alternating glaciations and warm periods dramatically changed, when ice ages suddenly became longer and more intense. Scientists have long suspected that this was connected to the ...
Earth Sciences
Apr 8, 2019
9
812
Scientists from The Australian National University (ANU) have discovered that 558 million-year-old Dickinsonia fossils do not reveal all of the features of the earliest known animals, which potentially had mouths and guts.
Paleontology & Fossils
Mar 25, 2019
0
512
