In a groundbreaking cosmic revelation, astronomers have captured the first visual evidence of a dying star erupting in a rare ...

Based on the new model, the first of these white dwarf explosions isn’t due for at least 10 1100 years. That’s a 1 followed by 1,100 zeros—a number so big that we don’t have a name for it ...

The explosion of a star, called a supernova, is an immensely violent event. It usually involves a star more than eight times ...

Gravitational waves stretch and squeeze the fabric of space and time itself. When space/time is squeezed, pulsar pulses ...

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

Pictures of a distant supernova remnant show two concentric rings, providing clear evidence that exploding white dwarf stars ...

A newly discovered radio halo, 10 billion light-years away, reveals that galaxy clusters in the early universe were already steeped in high-energy particles. The finding hints at ancient black hole ...

A team of scientists is proposing a bold alternative to the Big Bang theory, suggesting that our universe may have instead ...

There are objects in our universe so dense that not even light escapes through them. These oddities, known as supermassive black holes, can weigh billions of times more than our sun. Scientists have ...