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…

3 weeks ago

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…

3 weeks ago

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…

1 month ago

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.

1 month ago

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…

2 months ago

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.…

2 months ago

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…

3 months ago

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.

5 months ago

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…

5 months ago

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…

6 months ago