Astronomers have discovered a distant quasar illuminating a vast nebula of diffuse gas, revealing for the first time part of the network of filaments thought to connect galaxies in a cosmic web. Researchers at the University ...
Astronomy
Jan 19, 2014
51
0
"Fraidy cat" isn't the way most people think of mountain lions, but when it comes to encounters with humans, perhaps they should.
Plants & Animals
Jun 20, 2017
8
1242
As ice sheets began melting at the end of the last ice age, a series of cataclysmic floods called the Missoula megafloods scoured the landscape of eastern Washington, carving long, deep channels and towering cliffs through ...
Earth Sciences
Feb 14, 2022
2
1906
Researchers studying a period of high carbon dioxide levels and warm climate several million years ago have concluded that slow changes such as melting ice sheets amplified the initial warming caused by greenhouse gases.
Earth Sciences
Dec 20, 2009
59
0
Astronomers have discovered more than 200 distant variable stars known as RR Lyrae stars in the Milky Way's stellar halo. The most distant of these stars is more than a million light years from Earth, almost half the distance ...
Astronomy
Jan 9, 2023
3
710
The death of a massive star in a distant galaxy 10 billion years ago created a rare superluminous supernova that astronomers say is one of the most distant ever discovered. The brilliant explosion, more than three times as ...
Astronomy
Jul 21, 2017
89
334
(Phys.org)—Can an abundance of sea otters help reverse a principal cause of global warming?
Environment
Sep 7, 2012
25
0
Limiting global warming to 2 degrees Celsius will require not only reducing emissions of carbon dioxide, but also active removal of carbon dioxide from the atmosphere. This conclusion from the Intergovernmental Panel on Climate ...
Environment
Jun 25, 2018
6
902
Scientists at UC Santa Cruz and Lawrence Livermore National Laboratory (LLNL) have reported the first example of ultrafast 3D-printed graphene supercapacitor electrodes that outperform comparable electrodes made via traditional ...
Nanophysics
Feb 22, 2016
1
74
When a star passes too close to a supermassive black hole, tidal forces tear it apart, producing a bright flare of radiation as material from the star falls into the black hole. Astronomers study the light from these "tidal ...
Astronomy
Aug 26, 2020
2
514
