Expert Voices

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?

If tiny concentrations of carbon dioxide can hold enough heat to create a global warming impact on Earth, why is Mars cold? Its atmosphere is 95% carbon dioxide.

Over 99% of these alien worlds remain undiscovered — but this is about to change.

A brand-new particle has possibly emerged and is altering the future destiny of our entire cosmos, a physicist says.

The Earth may be entering an era in which natural and human-generated fire together are reshaping the planet.

At an upcoming summit in early December, NATO is expected to declare space as a "warfighting domain," partly in response to new developments in technology.

A look at 4.5 billion years of Earth's history tells us that intelligence, including extraterrestrial intelligence, is unlikely to evolve.

Elon Musk's bold plan to send a crewed Starship to Mars and beyond has potential dire consequences for alien life.