Astronomy
Mystery at the Heart of the Milky Way
Something is radiating high-energy gamma rays at the heart of our Milky Way galaxy, and astronomers aren't sure what it…
Early Universe Might Not Have Been So Violent
You always hear that the early Universe was a violent chaotic time, with galaxies smashing into each other. Maybe it…
Seeing Our Sun’s Future in Other Stars
Mira stars are a special class of variable red giants which pulsate. Over the course of 80-1,000 days, a Mira…
Bizarre Matter Found in a Neutron Star
Scientists have theorized that the inside of a neutron star - the remnant from a star that has collapsed under…
Dark Matter is Tugging at a Galactic Cluster
Astronomers theorize that most of the mass in the Universe is dark matter; it's invisible and detectable only by the…
Colliding Galaxies Awash With Star Formation
NASA's Spitzer Space Telescope has taken this image of two galaxies colliding, creating destruction and a wave of new star…
Gemini Sees Galaxies in a Royal Rumble
The latest image released by the Gemini Observatory shows a group of galaxies tearing each other apart 300 million light-years…
Hot and Hotter
A mystery that has puzzled astronomers for years is: why does the Sun's temperature rise as you get further away…
Astronomer Fred Whipple Dies
Famed astronomer, Dr. Fred Whipple, passed away on Monday at the age of 97 after a prolonged battle with illness.…
Estimating the Age of the Milky Way
Here's a question that's surprisingly difficult to answer: how old is the Milky Way? A team of astronomers have used…