As millions of people in New York and other major North American cities choke on acrid smoke, they could point their accusatory fingers farther North than the wildfires ravaging Quebec—all the way to the global Arctic.
Earth Sciences
Jun 13, 2023
0
34
First detected accidentally by US military satellites in the late 1960s, cosmic explosions known as gamma ray bursts (GRBs) have come to be understood as the brightest explosions in the universe.
Astronomy
Jun 10, 2023
0
118
A research team from Umeå University and the Swedish Institute of Space Physics in Kiruna has discovered jet streams in the magnetosheath of Mars using data collected by NASA's MAVEN spacecraft. This is the first time such ...
Astronomy
Jun 9, 2023
1
80
Few cosmic explosions have attracted as much attention from space scientists as the one recorded on October 22 last year and aptly named the Brightest of All Time (BOAT). The event, produced by the collapse of a highly massive ...
Astronomy
Jun 7, 2023
0
111
Climate scientists at Rice University have discovered an "internally generated periodicity"—a natural cycle that repeats every 150 days—in the north-south oscillation of atmospheric pressure patterns that drive the movement ...
Earth Sciences
Jun 6, 2023
0
113
Numerous organisms are equipped with circadian clocks (internal body clocks) that help them adapt to daily environmental changes in light and temperature. For synchronizing the clock phase (timing) with these environmental ...
Cell & Microbiology
Jun 5, 2023
0
8
Researchers discovered only relatively recently that black hole jets emit X-rays, and how the jets accelerate particles to this high-energy state is still a mystery. Surprising new findings in Nature Astronomy appear to rule ...
Astronomy
May 29, 2023
2
5223
Southwest Research Institute (SwRI) scientists observed the first close-ups of a source of energetic particles expelled from the sun, viewing them from just half an astronomical unit (AU), or about 46.5 million miles. The ...
Astronomy
May 15, 2023
0
18
Using NASA's Swift observatory and ESA's XMM-Newton satellite, Indian astronomers have inspected a prominent high synchrotron peaked blazar known as 1ES 1959+650. Results of the study, published May 5 on the arXiv pre-print ...
With a single letter seemingly etched in the X-ray glow around it, a giant black hole at the center of a massive elliptical galaxy is making a mark on its surroundings.
Astronomy
May 4, 2023
0
92
