Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the ...

A new paper led by a York University professor and published today in Nature Astronomy introduces a simple theoretical ...

What we know about the search for ‘Planet Nine’ in our solar system - The idea of a massive undiscovered planet has been around since before the discovery of Pluto in the 1930s ...

Decades ago, a renegade physicist suggested that gravity isn't so much a force as just a byproduct of the universe's tendency ...

An infinity symbol–shaped galaxy hosts an active supermassive black hole. The growing giant may have come from the aftermath of a galactic smashup.

A groundbreaking study from the Universities of Barcelona and Padua challenges the inflation theory, suggesting the universe began from a stable De Sitter space, driven by gravity and quantum ...

However, giving birth, and looking after a newborn, would be far more difficult in zero gravity. After all, in space, nothing stays still. Fluids float. So do people. That makes delivering a baby and ...

James is a published author with four pop-history and science books to his name. He specializes in history, strange science, ...

As plans for missions to Mars accelerate, so do questions about how the human body might cope. A return trip to the red ...

A new study that examines the world’s total supply of fresh water warns that Earth’s most essential resource is quickly ...

From a half-million miles away, NASA's Europa Clipper spacecraft captured Mars with its two moons, Phobos and Deimos, in ...