
Astronomically Beautiful Volcanoes
Volcanoes + astronomy = amazing images

Astronomically Beautiful Volcanoes
Volcanoes + astronomy = amazing images

The Utter Failure of Fictional Time Travel
An answer to why we’ve not been visited from the future?


Another Year, Another 20 Billion Kilometers Through The Universe
We live on a spinning and orbiting world, but we don't usually think about our other, greater motions through the cosmos—maybe we should

Dark Matter Black Holes Could Be Destroying Stars at the Milky Way’s Center
If dark matter comes in both matter and antimatter varieties, it might accumulate inside dense stars to create black holes

Evidence Builds for Dark Matter Explosions at the Milky Way’s Core
Unexplained gamma rays streaming from the galactic center may have been produced by dark matter, but more mundane explanations are also possible

The Biggest Cosmological Problem Is…
…living in a place that makes doing cosmology hard. Let’s backtrack a little. Unless you’ve been living under a particularly thick and insulating rock you’ll know that in recent months the world of experimental cosmology (what would have previously been called observational cosmology, or just plain old astronomy) has been on tenterhooks waiting to see [...]

Supernova Reveals Origins of Universe's Dust
Cosmic dust is crucial to the birth of stars and planets, but how so much of it came to be present in the young universe has been a mystery

Giant Bubbles Tower over the Milky Way
Newly discovered lobes stretch tens of thousands of light-years above and below the Milky Way's disk. Where they come from remains a mystery

The First Indirect Detection of Dark Matter
Mysterious light at the center of the milky way could be our first look at dark particles

A Stellar Discovery on the Milky Way's Far Side
Five remarkable stars on the other side of our galaxy promise new insight into the outer reaches of our home turf

Cloud Bound for Milky Way's Black Hole Puzzles Astronomers
For the past year, astronomers around the world have been watching the center of the Milky Way in anticipation of a once-per-eon event. Right around now (or, technically, 24,000 years ago--that's roughly how far away the galactic center is in light years), a cloud of gas and dust plummeting toward our galaxy's supermassive black hole, [...]

Dark Matter May Be Destroying Itself in Milky Way’s Core
Excess gamma-ray light at the galactic center may indicate invisible dark matter particles