Perhaps you are wearing glasses while reading this or have a cell phone, binoculars, a virtual reality headset or telescope. All of them rely on high-quality lenses, which are bulky, expensive and heavy—especially when ...
Optics & Photonics
Mar 28, 2022
3
82
Researchers have created new materials that are very stretchable and extremely tough.
Materials Science
Feb 21, 2022
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725
Astronomers famously snapped the first ever direct image of a black hole in 2019, thanks to material glowing in its presence. But many black holes are actually near impossible to detect. Now another team using the Hubble ...
Astronomy
Feb 14, 2022
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597
An international team of researchers has confirmed that a possible microlensing event witnessed in 2011 was due to the presence of a free-floating black hole roaming through interstellar space—the first of its kind ever ...
Dozens of space-based telescopes operate near Earth and provide incredible images of the universe. But imagine a telescope far away in the outer solar system, 10 or even 100 times farther from the sun than Earth. The ability ...
Astronomy
Nov 2, 2021
1
96
A "massive" black hole (MBH) is one whose mass is more than about one hundred thousand solar-masses. MBHs reside at the centers of most galaxies, and when they actively accrete gas and dust onto their surrounding hot disk ...
Astronomy
Oct 22, 2021
0
337
A pair of researchers at the Czech Academy of Sciences has been shaking up the astrophysics community with a new modified Newtonian dynamics (MOND) theory that tosses out the concept of dark matter and instead backs up theories ...
Gazing into the universe is like looking into a funhouse mirror. That's because gravity warps the fabric of space, creating optical illusions.
Astronomy
Oct 7, 2021
7
764
Hubble Space Telescope's glamor shots of the universe are so revealing they nearly always have a discovery behind them.
Astronomy
Sep 23, 2021
8
1329
Early massive galaxies—those that formed in the 3 billion years following the Big Bang—should have contained large amounts of cold hydrogen gas, the fuel required to make stars. But scientists observing the early universe ...
Astronomy
Sep 22, 2021
3
347
