Scientists Think an Exploding Star Helped Kill Off the Megalodon
An Astrobiology study proposes that an ancient supernova could have exposed Megalodon and other large ocean animals to deadly muon radiation.
Black Holes Can’t Account for Missing Dark Matter in the Universe
A statistical analysis of 740 supernovas found that black holes can only account for 40 percent of dark matter in the universe, putting another nail in the coffin for the MACHOs theory of dark matter.
A Black Hole Has Been Shredding a Star Twice the Size of the Sun for 10 Years
Astronomers have been watching the full fallout of a tidal disruption event for years.
the final countdown
Astronomers Snap the Most Detailed Image of an Alien Star Yet
Life comes at you fast when you are a red supergiant star.
Exploding Star Smashes Into Its Non-Exploding Star Friend
“The universe is crazier than science fiction authors have dared to imagine.”
How an Ancient Supernova Turned the Sky on Earth Electric Blue
Here’s what would happen if a supernova struck Earth.
New Supernovae Analysis Calls Dark Energy into Question
Is the universe really being flung out into oblivion? Maybe not so much.
How Two-Sunned ‘Tatooine’ Planets Escape Being Crushed By Their Host Stars
Earth will one day be eaten by our sun. These planets might avoid that.
The Ashes of Long-Dead Stars Have Been Found on Earth’s Seafloor
Iron-60 isotopes preserve the swan songs of long dead stars.
Stars Collapse into a Messy Puddle Before They Explode
New observational evidence finds supernovae are an epic cosmic splatterfest.
A Fossil Galaxy Packed with Dark Matter Is a Window to the Ancient Universe
A new study finds that Segue 1 is “the least chemically evolved galaxy ever known.” Which is a nice way of saying it's super old.
Astronomic Breakthrough Is Excuse Enough To Post Pulsar Videos
There's nothing like a few well-placed videos of "millisecond pulsars":http://www.astronomynow.com/090522Millisecondpulsarmysterysolved.html to remind you that sometimes space can make you feel like you've somehow been transported to a Led Zepplin...