A powerful "gamma-ray burst" has been seen exploding from merging neutron stars hidden within a previously unknown mini-galaxy leftover from an ancient cosmic crash. The "collision within a collision" ...

A galaxy whose light set out when Tyrannosaurus rex had just died out has been captured in striking detail by the James Webb ...

The Sun has been a powerful source of energy fueling the solar system for billions of years, but our host star may have had rough beginnings. A new study suggests the Sun migrated away from the center ...

In A Nutshell Scientists have identified 6,594 solar twins, stars nearly identical to our Sun, in the largest model-driven catalog of its kind ever assembled. Each star was assigned an estimated age, ...

“Once we get back out to the pad, we'll configure for launch pending completion of the work in the VAB. And at the pad, we are on track for a launch as early as April 1st. And we are working toward ...

Scientists believe this long stream of gas may have formed when several galaxies collided millions of years ago.

Despite years of debate and follow-up studies, an odd streak of cosmic light still defies a final explanation. Is it a giant ...

NASA has received the first images from a tiny spacecraft designed to study the stars that host distant planets. The mission, called the Star-Planet Activity Research CubeSat, or SPARCS, will track ...

A groundbreaking study in galactic archaeology proves the Sun made a treacherous journey to reach its current home in the Milky Way suburbs.

The comet formed in a cold and distant part of the early Milky Way up to 12 billion years ago, putting it just under 2 ...

After postponing launch opportunities in February and March, the agency determined that four astronauts could proceed toward the first crewed lunar journey in more than 50 years.

As its name suggests, Artemis 2 will be the second mission of NASA's Artemis program — but it's the first to fly a crew aboard Orion. An uncrewed Orion capsule launched on Artemis 1 in November 2022 ...