Scientists have long held that the universe is expanding at an ever-increasing rate, driven by a mysterious but measurable ...

Long ago, before galaxies formed into shapes we are familiar with today and before planets formed, the earliest stars ignited ...

Distance scales from the Planck length to a 93-billion-light-year observable universe expose extreme limits of physics and ...

A new theory claims dark matter and dark energy don’t exist — they’re just side effects of the universe’s changing forces. By ...

Astronomers spotted the largest flare ever released from a supermassive black hole as it snacked on a giant star.

A peculiar object discovered by the James Webb Space Telescope just 700 million years after the Big Bang could reveal the ...

Mathematical quirks of our universe have led some cosmologists to wonder whether the cosmos was actually born in a black hole. Parallels in the physics of the universe and that of black holes have led ...

Astronomers have chased the first stars for decades, squinting at the early universe for any hint of their brief, brilliant ...

The study seeks to explain the presence of dark matter using a WED model. The scientists studied fermion masses, which they ...

How do we know the speed of light – and why does it have a speed limit at all? Leah Crane explores the history of one of the ...

Goodnight Universe has the same sentimentality running through its veins that made Before Your Eyes an incredibly heartwarming story despite the tragedy at its center, but it’s far less introspective.

A colossal black hole 10 billion light-years away has been caught devouring one of the universe’s biggest stars, unleashing a ...