News

If you look up on a clear night from a darksky location, you might see the Milky Way as a faint band of thousands of stars.
The Milky Way is our home galaxy with a disc of stars that spans more than 100,000 light-years. What you're looking at when the Milky Way is visible is the bright center of our galaxy with billions of ...
Using gravitational microlensing, scientists have discovered a rare, large planet at the edge of the Milky Way. The planet is ...
The Milky Way's core will be visible this month and through August. Here's what Tennessee stargazers should know.
Measuring a galaxy’s brightness or apparent size is not a good guide to its distance. Hubble leveraged a discovery made by Henrietta Swan Leavitt 10 years earlier.
His measurements marked the end of the Great Debate about the Milky Way’s size and the nature of the nebulae. Hubble wrote about his discovery to Harlow Shapley, who had argued that the Milky ...
What is the Milky Way? The Milky Way is our galaxy, a massive system made of stars, gas and dust. It is estimated to contain more than 100 billion stars and is about 100,000 light-years across.
Astronomers have released an ultra-detailed image of the Sculptor galaxy obtained with 50 hours of observations using one of ...
Scientists previously predicted the pair of galaxies would merge in about five billion years. Now, research suggests that ...
This portrait from the NASA/ESA Hubble Space Telescope puts the nearby galaxy NGC 4449 in the spotlight. The galaxy is ...
The Milky Way and the neighboring Andromeda galaxy are currently hurtling through space toward each other at a speed of about 250,000 miles per hour (400,000 kph), setting up a possible future ...