In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

Two Micron All-Sky Survey (2MASS) imagery was used to create a animation of the warp of the Milky Way galaxy. Credit: 2MASS, ...

He intended for comet hunters to avoid them since they did not move across the sky. As more data piled up ... galaxies were all moving away from the Milky Way. Hubble’s results suggested the farther ...

The James Webb Space Telescope has shown that the Milky Way’s black hole is constantly blazing with light, releasing long ...

Arizona's dark skies are a haven for astronomers and photographers. Some communities are fighting to keep them that way.

The black hole at the heart of our galaxy is a real party animal ... Space Telescope (JWST), scientists discovered that the Milky Way's central supermassive black hole, Sagittarius A* (Sgr ...

Astronomers using the James Webb Space Telescope have spied dynamic flares of light near the supermassive black hole at the center of the Milky Way galaxy ... spot in the sky for decades now.” ...

The Hubble Space Telescope’s latest stunning images have allowed scientists to solve the mystery of the Bullseye Galaxy’s ...

In 1610, astronomer Galileo Galilei used the newly invented telescope to show that the Milky Way was ... galaxy, then known as the Andromeda nebula, is a bright spot in the sky that intrigued ...

Since Hubble’s launch, astronomers have discovered over 1 trillion galaxies, but Andromeda stands out as the closest and most ...