Keck Observatory

An Earth-like Planet Around a Dead Sun Provides Some Reassurance About the Future of Earth

In about five billion years, our Sun will exit its main sequence phase and transition to its red giant phase.…

2 months ago

Astronomers Find the Longest Black Hole Jets Ever Seen

Black holes often appear in science fiction movies, largely because elements of their existence are still a mystery. They have…

2 months ago

Neptune's Cloud Cover is Linked to the Solar Cycle

Whenever Neptune reaches its closest point in the sky to Earth, its portrait is taken by the Hubble Space Telescope…

1 year ago

A Direct Image of a Planet That’s Just Like Jupiter, Only Younger

In a recent study published in The Astrophysical Journal Letters, a team of astronomers used the W. M. Keck Observatory…

1 year ago

Can We Predict if a System Will Have Giant Planets?

Prediction is one of the hallmarks of scientific endeavors. Scientists pride themselves on being able to predict physical realities based…

1 year ago

All of Jupiter's Large Moons Have Auroras

New observations have revealed that all four of Jupiter's largest moons have aurorae, and they are spectacular!

2 years ago

New Images of Titan From JWST and Keck Telescopes Reveal a Rare Observation

Planetary scientists have greatly anticipated using the James Webb Space Telescope’s infrared vision to study Saturn’s enigmatic moon Titan and…

2 years ago

Keck's new Planet Hunter Instrument Comes Online, Searching for Smaller, More Earth-Sized Exoplanets

There’s a new planet hunter in town, and it’s got its sights set on nearby Earth-sized planets in the galactic…

2 years ago

Twin Brown Dwarfs Discovered, Orbiting one Another at Three Times the Distance From the Sun to Pluto

Gravity is a funny force.  The gravity of every given object technically impacts every other given object, though, in practice,…

3 years ago

These Newly-Discovered Planets are Doomed

Astronomers have spied three more exoplanets. But the discovery might not last long. Each planet is in a separate solar…

3 years ago