Physics
Complete and Total Mayhem in a Distant Galaxy Collision
A cluster of galaxies is nothing trivial. The shocks, the turbulence, the energy, as all of that matter and energy…
How an Advanced Civilization Could Exploit a Black Hole for Nearly Limitless Energy
A black hole as a source of energy? We know black holes as powerful singularities, regions in space time where…
There’s no evidence that dark matter interacts with any other force but gravity
Most of the universe is made of one of two kinds of mysterious substances, called dark matter and dark energy.…
Japanese Dark Matter Detector is Seeing a “Surprising Excess of Events”
A search for dark matter has found an extra signal in their data that could point toward proof of dark…
Spacecraft was able to measure how long neutrons last before they decay
Using NASA's MESSENGER spacecraft's close encounters with Venus and Mercury, researchers were able to measure the lifetime of neutrons, an…
Time Travel Into The Future Is Totally Possible
Believe it or not, time travel is possible. In fact, you're doing it right now. Every single second of every…
Can wormholes act like time machines?
Time travel into the past is a tricky thing. We know of no single law of physics that absolutely forbids…
Gravity is tested down to a scale smaller than the thickness of a human hair
Gravity was the first force of nature to be realized, and in the centuries since we first cracked the code…
The three-body problem shows us why we can’t accurately calculate the past
Our universe is driven by cause and effect. What happens now leads directly to what happens later. Because of this,…
This is Foam, Made in Space
Say hello to Space Foam. The ESA has a science lab on the International Space Station called Columbus. Inside that…