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Astronomy & Space news

Modified theory of dark matter

Dark matter is an aspect of the universe we still don't fully understand. We have lots of evidence pointing to its existence (as I outlined in a series of posts a while back), and the best evidence we have point ...

Sep 12, 2014 3.9 / 5 (30) 27

The entropy of black holes

Yesterday I talked about black hole thermodynamics, specifically how you can write the laws of thermodynamics as laws about black holes. Central to the idea of thermodynamics is the property of entropy, which c ...

Sep 12, 2014 4.6 / 5 (19) 11
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'Hot Jupiters' provoke their own host suns to wobble

Blame the "hot Jupiters." These large, gaseous exoplanets (planets outside our solar system) can make their suns wobble when they wend their way through their own solar systems to snuggle up against their ...

Jellyfish flames on the ISS

Fire is inanimate, yet anyone staring into a flame could be excused for thinking otherwise: Fire dances and swirls. It reproduces, consumes matter, and produces waste. It adapts to its environment. It needs ...

The future face of molecular electronics

Gene variant that dramatically reduces 'bad' lipids

Making quantum dots glow brighter

Mars Curiosity Rover Arrives at Martian Mountain

(Phys.org) —NASA's Mars Curiosity rover has reached the Red Planet's Mount Sharp, a Mount-Rainier-size mountain at the center of the vast Gale Crater and the rover mission's long-term prime destination.

Russian and American astronauts return to Earth

Two Russian cosmonauts and an American astronaut returned to Earth on Thursday after spending more than six months working together aboard the International Space Station, as tensions between their countries ...

NASA image: Expedition 40 Soyuz TMA-12M landing

Ground support personnel are seen at the landing site after the Soyuz TMA-12M spacecraft landed with Expedition 40 Commander Steve Swanson of NASA, and Flight Engineers Alexander Skvortsov and Oleg Artemyev ...

HPV vaccine knowledge doesn't predict vaccination

Lilly, AstraZeneca team up on Alzheimer's drug

Is the universe a stable quantum system?

According to legend, when Damocles declared that his king, Dionysius, must have a posh and easy life, Dionysius offered to trade places with Damocles. There was only one catch. Dionysius decreed that a sword ...

Black hole thermodynamics

In the 1800s scientists studying things like heat and the behavior of low density gases developed a theory known as thermodynamics. As the name suggests, this theory describes the dynamic behavior of heat ...

Mysterious quasar sequence explained

Quasars are supermassive black holes that live at the center of distant massive galaxies. They shine as the most luminous beacons in the sky across the entire electromagnetic spectrum by rapidly accreting ...

Astronomers pinpoint 'Venus Zone' around stars

San Francisco State University astronomer Stephen Kane and a team of researchers presented today the definition of a "Venus Zone," the area around a star in which a planet is likely to exhibit the unlivable ...

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