Dark matter is one of science's greatest mysteries. It doesn't absorb, reflect or emit light, so we can't see it. But its presence is implied by the gravitational effects it appears to have on galaxies.
Astronomy
Mar 19, 2024
14
1222
Cataclysmic events happen in the universe all the time. Black hole mergers, supernovae, gamma-ray bursts, and a whole host of others. Most of them happen in distant galaxies, so they pose no threat to us. But there are a ...
Astronomy
Oct 24, 2023
1
54
A team of scientists has for the first time measured the elusive weak interaction between protons and neutrons in the nucleus of an atom. They had chosen the simplest nucleus consisting of one neutron and one proton for the ...
General Physics
Dec 19, 2018
0
426
If our eyes could see high-energy radiation called gamma rays, the Moon would appear brighter than the Sun! That's how NASA's Fermi Gamma-ray Space Telescope has seen our neighbor in space for the past decade.
Space Exploration
Aug 15, 2019
0
1042
(Phys.org)—The first measurements of the elemental composition of the surface of the giant asteroid Vesta indicate that hydrogen was brought to the body by impactors, research by a team led by Planetary Science Institute ...
Space Exploration
Sep 20, 2012
4
0
A new study provides an inside look at the most powerful explosions in the universe: gamma-ray bursts.
Astronomy
Apr 10, 2015
0
165
An international collaboration bringing together over 200 scientists from 13 countries has shown that the very high-energy gamma-ray emissions from quasars, galaxies with a highly energetic nucleus, are not concentrated in ...
Astronomy
Jun 17, 2020
13
253
Almost 800 years after farmers in the village of Gouda in Holland first brought a creamy new cheese to market, scientists in Germany say they have cracked the secret of Gouda’s good taste. They have identified the key protein ...
Other
Mar 4, 2009
0
0
Astronomers from Costa Rica and Australia have reported the detection of a new supernova remnant (SNR) by inspecting a gamma-ray source known as FHES J1723.5−0501. The researchers found that this source is an SNR and it ...
Long ago, sky watchers linked the brightest stars into patterns reflecting animals, heroes, monsters and even scientific instruments into what is now an official collection of 88 constellations. Now scientists with NASA's ...
Astronomy
Oct 17, 2018
0
143
