Einstein
Einstein Right Again! Rapidly Spinning Pulsar Follows General Relativity
A unique and exotic laboratory about 6,800 light-years from Earth is helping Earth-based astronomers test Albert Einstein's theory of general…
Spooky Experiment on ISS Could Pioneer New Quantum Communications Network
With its 180 degree views of Earth and space, the ISS's cupola is the perfect place for photography. But Austrian…
The Secret of the Stars
"Say, do you like mystery stories? Well we have one for you. The concept: relativity." Well look at that, it's…
Do We Really Need Dark Matter?
Hubble mosaic of massive galaxy cluster MACS J0717.5+3745, thought to be connected by a filament of dark matter. Credit: NASA, ESA,…
What Happens When Supermassive Black Holes Merge?
Frame from a simulation of the merger of two black holes and the resulting emission of gravitational radiation (NASA/C. Henze)…
Effects of Einstein’s Elusive Gravitational Waves Observed
Two white dwarfs similar to those in the system SDSS J065133.338+284423.37 spiral together in this illustration from NASA. Credit: D.…
A Star’s Dying Scream May Be a Beacon for Physics
When a star suffered an untimely demise at the hands of a hidden black hole, astronomers detected its doleful, ululating…
Podcast: Einstein Was Right
At least once a week we get an email claiming that Einstein was wrong. Well you know what, Einstein was…
Astronomy Cast Ep. 235: Einstein
What can we say about Einstein? Albert Einstein! Lots, actually. In this show we’re going to talk about the most…
Gravity Probe B Confirms Two of Einstein’s Space-Time Theories
[/caption] Researchers have confirmed two predictions of Albert Einstein's general theory of relativity, concluding one of NASA’s longest-running projects. The…