Southwest Research Institute (SwRI) scientists believe they may have resolved a 39-year-old mystery about the radiation belts ...

A renowned physicist believes he's cracked the mystery of where a giant unidentified object hurtling through our solar system came from. Harvard physicist Avi Loeb and student researcher Shokhruz ...

The new planetarium show revealed a backwards S-shaped spiral in what's known as the Oort Cloud far beyond Pluto (American Museum of Natural History via AP) Scientists have solved one of the solar ...

Interstellar comet 3I/ATLAS reveals astonishingly rich organic chemistry, confirming that life's building blocks are ...

Folks, it’s official: the object that astronomers recently spotted blowing through the outer solar system came from interstellar space. Yesterday, the intriguing stranger was named A11pl3Z. Now, it’s ...

The cosmos has delivered a visitor, a silent, icy interloper from the darkest reaches of our galaxy, and the world's most ...

Harvard astrophysicist Avi Loeb's warning that the interstellar object 3I/ATLAS may be pulling a "swarm" of unknown bodies through the Solar System has injected new urgency into the scientific debate ...

Learn more about two of the earliest reports of a total solar eclipse and corona, which were recorded in China, and solve ...

A new study led by Southwest Research Institute (SwRI) links quasi-periodic pulsations (QPPs) in solar flares to dynamic ...

To date, the Voyager 2 probe has provided the only direct measurements of the radiation environment at Uranus. This led to ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's not aliens.) The interstellar comet, originally called A11pl3Z and now ...

Scientists have solved one of the solar system's enduring mysteries with the help of an unexpected source: a planetarium show. Last year, experts at the American Museum of Natural History were ...