Ahead of 3I/ATLAS’s perihelion on October 29, Harvard astrophysicist Avi Loeb speculated that the day would be a ‘black swan ...

NASA's Advanced Composite Solar Sail System (ACS3) will be visible from the ground. Find out when you can see it on the NASA ...

It wasn’t easy, bringing the stars indoors. The first show, held in Germany in 1925, used grainy footage on a small dome, but was dizzying nonetheless. Now, a whole new future looms.

Skydiver and friend of McCarthy, Gabe Brown, can be seen falling across the face of the sun in the new photograph, which the ...

Telescopes on Earth, along with multiple cameras in space, have captured a whole gallery of new imagery of this alien visitor ...

A rare alignment between Earth and Saturn will make the gas giant’s rings appear so thin that they’ll be nearly invisible.

Spectacular video shows the aurora borealis, more commonly known as the northern lights, as they danced across the night sky ...

Is 3I/ATLAS alien tech or just a comet? Explore the explosive backlash over NASA's blurry images, Avi Loeb's list of 12 ...

The Orion crew module gets stacked onto the Space Launch System in preparation for the upcoming Artemis 2 mission in early ...

The object is the third interstellar visitor to our solar system ever confirmed. It will reach its closest point to Earth ...

In 2026, a first-of-its-kind spacecraft—launched on a rocket dropped out of a plane—will attempt to save NASA’s Swift ...

While the feds idled, an interstellar object known as 3I/ATLAS was barnstorming the solar system, at a speed that reached 153 ...