Cosmology
Gravitational waves were only recently observed, and now astronomers are already thinking of ways to use them: like accurately measuring the expansion rate of the Universe
Neutron stars scream in waves of spacetime when they die, and astronomers have outlined a plan to use their gravitational …
Gravitational Waves Might be the Key to Finding Dark Matter
Exotic dark matter theories. Gravitational waves. Observatories in space. Giant black holes. Colliding galaxies. Lasers. If you're a fan of…
Hubble Finds a Galaxy with Almost no Dark Matter
Using data from the Hubble Space Telescope and other ground-based observatories, a team of astronomers have found a galaxy that…
The First Results From The IllustrisTNG Simulation Of The Universe Has Been Completed, Showing How Our Cosmos Evolved From The Big Bang
The IllustrusTNG Project has created a large and detailed simulation of the Universe. It's helping us answer some important questions…
Book Review: Cosmology for the Curious
What will Curious George grow up to be? Being curious, then George will ask a lot of questions. And if…
At the Largest Scales, Our Milky Way Galaxy is in the Middle of Nowhere
A presentation at the June 6th AAS meeting confirms that our galaxy is inside an enormous cosmic void, the largest…
How Do We Know the Universe is Flat? Discovering the Topology of the Universe
Cosmologists tell us that the Universe is flat. It sure feels like 3-dimensions. What does this even mean, and how…
Rise Of The Super Telescopes: The Wide Field Infrared Survey Telescope
When the WFIRST observatory comes online in the mid 2020s, it will take images 100 times larger than the Hubble.
The Universe Has A Lithium Problem
The Big Bang Theory predicts three times as much lithium as observed. Where are the scientists hiding our lithium?
What is the Speed of Light?
Since the late 17th century, scientists have been attempting to measure the speed of light, with increasingly accurate results