Milky Way’s Center Will Be Revealed by NASA’s Webb Telescope
The center of our galaxy is a crowded place: A black hole weighing 4 million times as much as our Sun is surrounded by millions of stars whipping around it at…
Hubble Takes Closer Look at Not-So-‘Dead’ Neighbor
Many of the best-loved galaxies in the cosmos are remarkably large, close, massive, bright, or beautiful, often with an unusual or intriguing structure or history. However, it takes all kinds…
The Latest Look at “First Light” from Chandra
NASA’s Chandra X-ray Observatory has captured many spectacular images of cosmic phenomena over its two decades of operations, but perhaps its most iconic is the supernova remnant Cassiopeia A. Located…
The Moon and Mercury May Have Thick Ice Deposits
Earth’s Moon and Mercury, the closest planet to the Sun, may contain significantly more water ice than previously thought, according to a new analysis of data from NASA’s LRO and…
Our Sun Today
NASA’s Solar Dynamic Observatory, or SDO, was the first mission to be launched for NASA’s Living With a Star (LWS) Program, and is designed to understand the causes of solar…