But there are several important anomalies, including a widely debated one called the Hubble tension. It is named after Edwin ...
A new theoretical model is prompting physicists to reconsider one of the most fundamental ideas in science: infinity.
Cosmologists are increasingly entertaining a radical possibility: that the cosmos might fold back on itself so that, on the ...
This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. Everything on Earth, in our solar system, our galaxy, and beyond is contained within ...
Is the universe infinite? It's one of the most profound questions we can ask, and here's the short answer: We don't know. While we have learned a great deal about the universe, a portion of the cosmos ...
The surface of Earth is finite. We can measure it. If it was expanding, then its size would grow with time. And once again, good ol' Earth helps us understand what the universe might be doing beyond ...
A new study by physicists highlights one way that cyclic or 'bouncing' cosmologies fall flat. 'People proposed bouncing universes to make the universe infinite into the past, but what we show is that ...