What is space-time? Depending on how fast you're moving or how close you are do Earth's gravity can change the way time feels ...

What happens after death? This age-old question has intrigued humanity for centuries, with countless theories from religious, ...

Albert Einstein's theory of relativity stated that the universe was static. That is, there was no dynamism, change or ...

Black hole and Big Bang singularities break our best theory of gravity. A trilogy of theorems hints that physicists must go ...

Einstein's theory posits that mass distorts space. This distortion can bend light from distant objects. Astronomers use this ...

Astronomers have discovered a rogue planet in the Milky Way using old Hubble data and Einstein's theory of general relativity.

In 1919, a total solar eclipse allowed scientists to confirm Einstein’s theory of general relativity by observing how the sun ...

"God does not play dice." This famous remark by Albert Einstein critiqued the probabilistic nature of quantum mechanics.

You may have learned about the theory of relativity—or at least seen E = mc 2 scribbled on a chalkboard somewhere—but nothing compares to hearing Albert Einstein explain it in his own words.

At cosmological scales, Albert Einstein’s theory of general relativity has given scientists an immensely accurate blueprint ...

"This discovery was partly serendipity! But, we believe there are many more such opportunities hidden in Hubble data." ...

What exactly is gravity, and how does it work? From Newton’s early groundbreaking discoveries to Einstein’s revolutionary ...