You may think that time started 13.8 billion years ago at the birth of the universe, but physicists with alternative ...

"An epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey ...

By looking ever further back in time, the James Webb Space Telescope is at last revealing the first galaxies – and a very ...

According to new research, physics does not distinguish between the past and future. Researchers found that because many equations allow for time reversal, flipping those equations will not change ...

Scientists are exploring whether primordial black holes, formed after the Big Bang, could be lethal if one passed through a ...

Astronomers have discovered an enormous radio jet from the early universe, extending over 200,000 light-years and powered by ...

This makes it similar to early galaxies formed after the Big Bang. Scientists first discovered Leo P in 2013, but new JWST observations reveal unexpected activity. The galaxy stopped forming stars ...

Relying on leading-edge germanium detectors developed by researchers at the Department of Energy’s Oak Ridge National ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...

Scientists didn't expect that stars would be able to still form in the dwarf galaxy known as Leo P, which the James Webb ...

A deep-sea detector glimpsed a particle with 220 million billion electron volts of energy — around 20 times as energetic as any neutrino seen before.