Expert Voices

String theory is a powerful idea, unfinished and untested, but one that has persisted for decades despite inauspicious beginnings.

Rush's Neil Peart passed away on January 7, 2020 but his words and music live on.

What if I told you that our universe was flooded with hundreds of kinds of nearly invisible particles and that, long ago, these particles formed a network of universe-spanning strings?

Researchers recently released simulations of the Large Magellanic Cloud — a satellite galaxy of the Milky Way — and found that cosmic rays from a starburst event are starting to rip it apart.

For the last decade or more, Muggles around the world have been busy designing and perfecting a similar device called a coronagraph.

It all goes back to the origin of the word "planet."

Gamma-ray bursts are even worse than we thought.

A second supermassive black hole may be lurking at the center of our galaxy, the Milky Way.

Other planets' moons have great names, ours is just what it is.

It will be one of the most daunting, complicated and, potentially, scientifically rewarding missions ever undertaken to the red planet.

Some landslides on Mars seem to defy an important law of physics.

Google claims quantum supremacy – IBM says not so fast. One researcher explains why he doesn't see quantum computers outpacing classical computers any time soon ... and maybe not ever.

The so-called Cybertruck is an angular, stainless steel, all-electric pickup truck that quickly became polarizing. Here's why it's revolutionary.

An ambitious new fleet of spacecraft could reveal whether space-time is smooth or chunky, and in doing so the ultimate nature of reality.

The best long-term investment for companies and the world? The space business.

A quantum experiment raises deeply philosophical questions about the fundamental nature of reality.

Apart from her groundbreaking work on the origin of elements, Burbidge is interested in galaxies, extremely distant and luminous cosmic objects and more.

When Apollo 11 landed on the Moon, it was a giant leap for mankind and a huge success for American engineering, but there was one aspect of the mission that hadn’t really gone as planned.

What kicked off the Earth’s rapid cooling 12,800 years ago?