Zwicky Transient Facility

Can a Dead Star Keep Exploding?

In September 2022, an automated sky survey detected what seemed to be a supernova explosion about one billion light-years away.…

1 year ago

Astronomers See the Same Supernova Four Times Thanks to a Gravitational Lens

Thanks to a well-placed gravitational lens, a team of astronomers was able to observe a supernova four times!

1 year ago

The Largest Explosion Ever Seen in the Universe

Astronomers have witnessed the most powerful supernova on record, which could provide insight into the forces that shape galaxies.

2 years ago

20% of Twilight Observations Contain Satellite Passes

Starlink trails are now commonly seen in images looking for near Earth asteroids.

3 years ago

Astronomers Have Discovered a 2-km Asteroid Orbiting Closer to the Sun than Venus

Astronomers have painstakingly built models of the asteroid population, and those models predict that there will be ~1 km sized…

4 years ago

An Asteroid has been Found that Orbits the Sun Closer than Venus

Astronomers at Caltech's Zwicky Transient Facility (ZTF) have discovered an asteroid that orbits inside Venus. Though other asteroids have a…

5 years ago