Supernovae
Supercomputer Simulation Shows a Supernova 300 Days After it Explodes
The answers to many questions in astronomy are hidden behind the veil of deep time. One of those questions is…
A Star had a Partial Supernova and Kicked Itself Into a High-Speed Journey Across the Milky Way
Supernovae are some of the most powerful events in the Universe. They're extremely energetic, luminous explosions that can light up…
Detecting the Neutrinos From a Supernova That’s About to Explode
Neutrinos are puzzling things. They're tiny particles, almost massless, with no electrical charge. They're notoriously difficult to detect, too, and…
Astronomers Might Have Seen a Star Just Disappear. Turning Straight to a Black Hole Without a Supernova
A brilliant blue star has disappeared from view, which could mean it became a black hole in a novel way.
Much of the Lithium Here on Earth Came from Exploding White Dwarf Stars
The Big Bang produced the Universe's hydrogen, helium, and a little lithium. Since then, it's been up to stars (for…
A New Kind of Supernova Explosion has been Discovered: Fast Blue Optical Transients
For the child inside all of us space-enthusiasts, there might be nothing better than discovering a new type of explosion.…
Take a Peek Inside a Giant Star Right Before it Dies
The biggest stars in our universe are some of the most fascinatingly complex objects to inhabit the cosmos. Indeed,giant stars…
NASA Chooses 4 New Astronomy Space Missions for Additional Study
NASA recently selected four new missions for development that will study gravitational waves, supernovae, relativistic jets, and exoplanet habitability.
The Chemicals That Make Up Exploding Stars Could Help Explain Away Dark Energy
Astronomers have a dark energy problem. On the one hand, we've known for years that the universe is not just…
There Could be Meteors Traveling at a Fraction of the Speed of Light When They Hit the Atmosphere
According to a new study by a pair of Harvard astrophysicists, it is possible that meteors traveling close to the…