Researchers have unveiled a new model for the universe’s birth that replaces cosmic inflation with gravitational waves as the ...

Scientists figured out that the universe is billions of years old — after years of reading ancient rocks and dying stars, and ...

The Methuselah Star, also known asHD 140283, has long been a subject of fascination among astronomers. Its age, initially ...

There is a mysterious glow coming from the middle of our galaxy – and scientists say it could help solve one of the ...

We’ve grown up with the idea that the universe will expand forever, meaning the "cosmological constant" is positive. What if it's negative?

The team suggests the object is around 10 billion years old, making it a time capsule of the formation of the earliest ...

On human timescales, the universe may as well be eternal. It’ll be here long after our species and our planet are gone, but ...