ALMA Observatory

Water’s Epic Journey to Earth Began Before the Sun Formed

The origins of Earth's water is a complicated mystery that scientists have been untangling for decades. Life is impossible without…

1 year ago

This Star is Blasting Out a Concentrated Jet of Material at 500 km/s

MWC 349A is a star about 3,900 light-years away in the constellation Cygnus. It's huge, about 38 times as massive…

1 year ago

Baby Gas Giants Cast Shadows on Their Siblings

A team of astronomers has caught glimpses of gas giants forming around a very young star. The nascent giants are…

1 year ago

We’ve Now Seen Planet-Forming Disks Around Hundreds of Young Stars. What Do They Tell Us?

Is our Solar System comparable to other solar systems? What do other systems look like? We know from exoplanet studies…

2 years ago

Astronomers See a Newly Forming Planetary Disk That’s Continuing to Feed On Material from its Nebula

Over the last few years, astronomers have observed distant solar systems in their early stages of growth. ALMA (Atacama Large…

3 years ago

The Strange, Misshapen Orbits of Planet-Forming Disks in a Triple-Star System

Whatever we grow up with, we think of as normal. Our single solitary yellow star seems normal to us, with…

4 years ago

Study Finds Bizarre Exoplanet Orbits for Binary Stars

There’s an iconic scene in the original Star Wars movie where Luke Skywalker looks out over the desert landscape of…

4 years ago

Astronomers Finally Find the Neutron Star Leftover from Supernova 1987A

Astronomers at Cardiff University have done something nobody else has been able to do. A team, led by Dr. Phil…

4 years ago

Here’s a First. Astronomers See a Moon Forming Around a Baby Exoplanet

Astronomers have discovered, for the first time, moons forming in the disk of debris around a large exoplanet. Astronomers have…

5 years ago

One of Our Best Views of the Supermassive Black Hole at the Heart of the Milky Way

An almost unimaginably enormous black hole is situated at the heart of the Milky Way. It's called a Supermassive Black…

5 years ago