The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study ...

Quantum mechanics and relativity are the two pillars of modern physics. However, for over a century, their treatment of space ...

You can't see, feel, hear, taste or smell them, but tiny particles from space are constantly raining down on us.

It sounds like something from the plot of Interstellar, but this plan to beam precious data back to Earth—before it’s lost ...

"We're not saying, and we can't say, that there's no life in Europa. What we're saying is that it's a harder proposition, ...

Eric and Wendy Schmidt are backing a start-up-like approach to building a giant space telescope and powerful ground ...

Both NASA’s James Webb Space Telescope and Chandra X-ray Observatory caught these two galaxies in a close embrace.

Our universe plays by certain rules, which originate from different branches of physics. But sometimes the rules seem ...

These space-themed cartoons are fun to watch with your kids, and they feature real-life space science and concepts in varying ...

“It’s a milestone in solar physics,” said Ioannis Kontogiannis, a solar physicist at the Swiss Federal Institute of ...

A team of physicists has discovered a surprisingly simple way to build nuclear clocks using tiny amounts of rare thorium. By ...

A billionaire-backed philanthropic organization is funding the development of a series of new observatories, including a ...