In simplest terms, the rate at which the universe expands on paper doesn’t match actual astronomical observations. That speed ...

For the first time in history, we can explore the universe through a rich blend of senses—seeing, touching, and hearing ...

If this scenario plays out, “the world as we know it would collapse like a house of cards,” says one theoretical physicist.

Time travel has long been a topic of science fiction, filled with thrilling possibilities and mind-bending problems. The most ...

Despite decades of searching for this signal, astronomers have yet to find it. The problem is that our Earth is too noisy, making it nearly impossible to capture this whisper. The solution is to go to ...

After five years of staring unblinking at the sky, the Atacama Cosmology Telescope (ACT) has compiled the most detailed map we've ever seen of the cosmic microwave background – the faint light that ...

Dr. Richard Lieu, a physics professor at The University of Alabama in Huntsville (UAH), a part of The University of Alabama ...

"DESI data tells us about how the size of the universe has grown over time. We can relate the rate ... Dark matter, which is known through its gravitational influences on galaxies and stars ...

but instead emerged from a Euclidean phase through quantum mechanics," Kumar wrote. "The essence of the idea is that two branches—a universe and its time-reverse anti-universe—are created ...

Astronomers have found early evidence of the Universe’s transformation from a foggy, opaque state to a transparent one, ...

Time travel has long been a topic of science ... the role of entropy in generating our experience of the universe.” Thinking through these questions helps physicists probe the edges of what ...