A multi-institutional team of archaeologists, chemists and environmental scientists using portable X-ray fluorescence on victims of the Pompeii eruption in 79 AD finds that they likely died of asphyxiation. The group has ...
The earth doesn't give up its secrets easily—not even in the "Cradle of Humankind" in South Africa, where a wealth of fossils relating to human evolution have been found.
Paleontology & Fossils
Jun 27, 2022
0
4168
This image features a spectacular set of rings around a black hole, captured using NASA's Chandra X-ray Observatory and Neil Gehrels Swift Observatory. The X-ray images of the giant rings reveal information about dust located ...
Astronomy
Aug 5, 2021
125
2766
Sending human travelers to Mars would require scientists and engineers to overcome a range of technological and safety obstacles. One of them is the grave risk posed by particle radiation from the sun, distant stars and galaxies.
Space Exploration
Aug 26, 2021
6
4200
New research by University of Massachusetts Amherst astronomer Daniel Wang reveals, with unprecedented clarity, details of violent phenomena in the center of our galaxy. The images, published recently in Monthly Notices of ...
Astronomy
May 27, 2021
62
1612
The supermassive black hole at the center of our Milky Way galaxy, Sagittarius A*, is by far the closest such object to us, about 27,000 light-years away. Although it is not nearly so active or luminous as other galactic ...
Astronomy
Jul 12, 2021
100
725
With the help of special telescopes, researchers have observed a cosmic particle accelerator as never before. Observations made with the gamma ray observatory H.E.S.S. in Namibia show for the first time the course of an acceleration ...
Astronomy
Mar 10, 2022
3
2506
In the vicinity of black holes, space is so warped that even light rays may curve around them several times. This phenomenon may enable us to see multiple versions of the same thing. While this has been known for decades, ...
Astronomy
Jul 12, 2021
23
4187
A research team co-led by UCL has solved a decades-old mystery as to how Jupiter produces a spectacular burst of X-rays every few minutes.
Planetary Sciences
Jul 9, 2021
29
8223
Astronomers have long sought the launch sites for some of the highest-energy protons in our galaxy. Now a study using 12 years of data from NASA's Fermi Gamma-ray Space Telescope confirms that one supernova remnant is just ...
Astronomy
Aug 10, 2022
1
574
