Over the past five years, the galaxy's nucleus has gone from serene to surging with energetic swirls, suggesting the emergence of a gigantic black hole.
The galactic cores, containing huge black holes, could help explain how the universe developed into the complex cosmos it is today.
The iconic mission has resumed regular science operations for the first time since November 2023.
We see what you did there, Percy, and we appreciate your filthy message from afar.
The space agency was running through simulations for a spacewalk, which was later postponed.
Starliner teams detected a helium leak before launch, two more after liftoff, and now a fourth and fifth leak with the vehicle docked at the ISS. Oh my.
During a recent solar storm, NASA's Curiosity rover detected its highest-ever level of radiation reaching the surface of Mars.
Webb data suggests a massive dust cloud observed 20 years ago around Beta Pictoris was caused by a cataclysmic asteroid collision.
A disruption of the solar system's heliosphere by an interstellar cloud could have severely impacted life on our planet, according to scientists.
The megarocket broke new ground, with the Super Heavy booster landing in the Gulf of Mexico and the upper stage surviving reentry, but just barely.
The last galactic fling was billions of years later than previously thought, indicating our galaxy may have more surprises in store.
Before the crew capsule's launch, Starliner teams detected a helium leak on the ground but decided not to resolve the issue.
Controllers scrambled to restore four of the five thrusters, causing Starliner to dock more than an hour later than planned.
The latest test of the experimental megarocket broke new ground, including a successful soft landing of the booster in the Gulf of Mexico.
The discovery of this rare world offers a glimpse into the distant future when our Sun swells up into a red giant star.
The aging telescope will now resort to using one gyroscope, which will add extra time when locking onto new targets.
On May 19, during its first crewed flight in two years, one of the parachutes on the New Shepard capsule failed to fully inflate, prompting an investigation.
China is aiming to become the first nation to return rock and dust from the lunar far side.
Despite its shimmering appearance of purple light in the night sky, STEVE is actually quite a complicated guy.
A Starliner crew has finally made it to space, but the big challenges for Boeing's spacecraft are yet to come.
