There's no shortage of round celestial objects in our universe. Planets, moons and stars all exhibit lovely spherical shapes.

The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

Located in the Central Molecular Zone (CMZ), these filaments could be a part of a cyclical process in one of the galaxy’s ...

Astronomers have discovered a strange new object in our Milky Way galaxy. The celestial object is emitting X-rays around the ...

Locals in Tonga had always known it as Maka Lahi, “large rock,” but scientists quickly realized it was much more.

The mystery object, located just a short 15,000 light-years from Earth in our Milky Way galaxy, was spotted emitting unusual ...

Hispanic-American artist Candida Alvarez is getting some long-overdue institutional attention with a major mid-career survey at El Museo del Barrio. Titled “Circle, Point, Hoop,” the exhibition maps ...

Black hole and Big Bang singularities break our best theory of gravity. A trilogy of theorems hints that physicists must go ...

Here’s your daily reminder that we may be living in a sci-fi plotline disguised as normal life: a mysterious metal orb known as the Buga Sphere was recently ...

Researchers traced long, bright radio pulses, combined with X-rays, to an intriguing cosmic object 15,000 light-years from ...

What if black holes weren’t the only things slowly vanishing from existence? Scientists have now shown that all dense cosmic ...

The sun's corona—the outermost layer of its atmosphere, visible only during a total solar eclipse—has long intrigued ...