Expert Voices

Neutrinos are the changelings of the subatomic world, but physicists are getting closer to pinning down the particles' true identities.

The concept of atoms had been floating around off and on for a few millennia, but it took some clever experimentation to pinpoint their existence.

We don't understand the concept of time much at all.

Imagine astronauts on Mars, tasked with picking rock samples that will be used by scientists to search for signs of life. But they can only transport a limited number back to Earth.

When the Captain Marvel movie opens, coinciding with International Women's Day, it will be Marvel Studios's first female-superhero led film.

This excerpt from Chapter 16 of Rod Pyle's new book "Interplanetary Robots" details the history of the probes that have braved the crushing pressure and fearsome heat of the planet Venus.

A recent search for oddball supersymmetric particles, which could explain some of the weirdness of the universe, came up empty-handed.

Here's how we know the distant Oort Cloud exists.

In the new book "Space 2.0," Rod Pyle gives an inside look at what's coming next for space exploration, resource extraction and settlement.

Why did the hominin cross the plain? We may never know.

The world is still celebrating the historic landing on China's Chang'e-4 on the far side of the moon on January 3.

The private space race is about to take another great leap as Israel sends a private lander to the moon.

There are some universal certainties. Death. Taxes. The second law of thermodynamics.

Is super asymmetry a thing? And do big physicists really travel economy class?

Mad scientists through the ages have dreamed of holding the world hostage by threatening to destroy the whole thing. Here's how that could work.

The IAU's achievements during its first few decades include resolving contradictory sets of names given to features on the Moon and Mars by rival astronomers during the previous few centuries.

Our senses are stuck in the past. There's a flash of lightning, and then seconds pass until we hear the rumble of distant thunder. We hear the past.