A fleet of NASA missions has likely uncovered a collision between two ultradense stars in a tiny galaxy buried in…

In late February, people in the Northern Hemisphere can look up for a special sight: six planets will all be…

For the first time, a much younger version of the Sun has been caught red-handed blowing bubbles in the galaxy,…

A new discovery captures the cosmic moment when a galaxy cluster – among the largest structures in the universe –…

Like a recording artist who has had a long career, NASA’s Chandra X-ray Observatory has a “back catalog” of cosmic recordings that…

A new video shows the evolution of Kepler’s Supernova Remnant using data from NASA’s Chandra X-ray Observatory captured over more…

Celebrate the New Year with the “Champagne Cluster,” a galaxy cluster seen in this new image from NASA’s Chandra X-ray…

Written by Michael Allen An international team of astronomers using NASA’s IXPE (Imaging X-ray Polarimetry Explorer) has identified the origin…

Most smaller galaxies may not have supermassive black holes in their centers, according to a recent  study using NASA’s Chandra…

Galaxy clusters are the most massive objects in the universe held together by gravity, containing up to several thousand individual…

Editor’s note, Dec. 11, 2025: This story was updated to include an additional partner’s research and related release. Astronomers have…

For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage of a…

This image released on June 30, 2025, combines data from NASA’s James Webb Space Telescope and NASA’s Chandra X-ray Observatory…

Data from NASA’s Chandra X-ray Observatory and NASA’s James Webb Space Telescope combine to reveal an otherworldly view of the…

A black hole is growing at one of the fastest rates ever recorded, according to a team of astronomers. This…

Westerlund 1, the biggest and closest “super” star cluster to Earth, dazzles in this image released on July 23, 2025.…

The inside of a star turned on itself before it spectacularly exploded, according to a new study from NASA’s Chandra…

In 2009, NASA’s Chandra X-ray Observatory released a captivating image: a pulsar and its surrounding nebula that is shaped like…

NASA’s Hubble Space Telescope and NASA’s Chandra X-ray Observatory have teamed up to identify a new possible example of a…

A baby planet is shrinking from the size of Jupiter with a thick atmosphere to a small, barren world, according…

Editor’s Note: This post highlights a combination of peer-reviewed results and data from Webb science in progress, which has not…