This 3D Simulation of a Supernova Needed 5 Million Hours of Supercomputing

When the largest stars in the Universe run out of fuel, they detonate as supernovae, collapsing inward and leaving behind…

3 days ago

Astronomers Have a New Way to Measure the Expansion of the Universe

A new method of measuring cosmic expansion uses multiple observations of a supernova in a lensed galaxy.

4 months ago

Hypervelocity Stars Teach us About Black Holes and Supernovae

A new study shows how hypervelocity stars could teach us more about the most powerful and mysterious phenomena in the…

6 months ago

The Dark Energy Camera Captures the Remains of an Ancient Supernova

The first written record of a supernova comes from Chinese astrologers in the year 185. Those records say a 'guest…

7 months ago

How Many Stars Formed Together With the Sun in Our Stellar Nebula?

Even though our Sun is now a solitary star, it still has siblings somewhere in the Milky Way. Stars form…

9 months ago

Colliding Neutron Stars can Generate Long Gamma-ray Bursts

Gamma-Ray Bursts (GRBs) are the most energetic recurring events in the Universe. Only the Big Bang was more energetic, and…

10 months ago

Hubble saw Multiple Light Echoes Reflecting off Rings of Dust From a Supernova Explosion

Using images from Hubble, an international team of astronomers created a video that shows the evolution of a supernova and…

11 months ago

How Dangerous are Nearby Supernovae to Life on Earth?

Life and supernovae don't mix. From a distance, supernovae explosions are fascinating. A star more massive than our Sun runs…

11 months ago

Astronomers Chart the Influence of Dark Matter and Dark Energy on the Universe by Measuring Over 1,500 Supernovae

Two decades of supernova observations still leave big mysteries unsolved.

11 months ago

Astronomers Just saw the Most Powerful Gamma-ray Burst Ever Recorded

In a series of studies, two teams of astronomers shared their data on the closest and most powerful gamma ray…

11 months ago