Thanks to new techniques, astronomers are mapping the Universe with more precision, finding galaxies with more and less dark matter.…
Astronomers have measured the Milky Way's shape and found that the disk is warped and not a flat spiral like…
Modern instruments like ALMA have revealed newly forming stars surrounded by accretion disks. These images are so sensitive you can…
The Hyades cluster is the closest open star cluster to Earth, located at a distance of about 150 light-years. Although…
Stars begin as giant clouds of gas and dust that pull together through mutual gravity into a dense protostar. At…
Stellar fusion happens at a star's core, where the enormous temperatures and pressures fuse hydrogen atoms into helium, releasing radiation.…
The James Webb Space Telescope has allowed astronomers to see deeper into cosmic history than ever before, but it doesn't…
The "Blue Marble" was one of the most iconic pictures of the Apollo era. Taken by the astronauts of Apollo…
A star speeding through gas and dust has much to teach us about interstellar dynamics.
There is a cloud of debris surrounding our solar system. It's known as the Oort cloud, and it is the…