Supernovae

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.

2 years 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…

2 years 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…

2 years 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…

2 years 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…

2 years 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…

2 years 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…

2 years 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.

2 years 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…

2 years ago

Can Astronomers Predict Which Stars Are About to Explode as Supernovae?

In a recent study submitted to High Energy Astrophysical Phenomena, a team of researchers from Japan discuss strategies to observe,…

2 years ago