Understanding these cosmic collisions not only sheds light on the origins of elements but also reveals the history that ...

Gamma-ray bursts, the most powerful kinds of explosions known in the cosmos, may help provide a piece of the puzzle when it ...

StarBurst, a wide-field gamma ray observatory, arrived at March 4 for environmental testing and final instrument integration.

Kilonova explosions from neutron star collisions may damage atmospheres and threaten life if nearby, according to a new study ...

The SMITHSONIAN ASTROPHYSICAL OBSERVATORY is a part of the Smithsonian Institution which, in conjunction with the Harvard ...

Using ESA's XMM-Newton satellite, Italian astronomers have observed a Galactic X-ray binary system known as 4U 0728-25.

18, 2025 — Physicists have measured a nuclear reaction that can occur in neutron star collisions ... 2025 — The James Webb Space Telescope has captured its first direct images of carbon ...

As the great detective said, "When you have eliminated the impossible, whatever remains, however improbable, must be the ...

For the first time, scientists have directly measured a weak r-process reaction using a radioactive ion beam, shedding light ...

New approach could aid “multimessenger” astronomy by quickly locating sources of gravitational waves emitted during these cosmic events ...

You may have heard of cosmic objects called pulsars—they're a type of neutron star. Neutron stars are the remnants of extremely massive stars when they've reached the end of their life.

Plutonium discovered at the bottom of the ocean was found to be refuse from a kilonova that exploded close to Earth 10 million years ago. Kilonovas occur when binary neutron stars spiral closer and ...