An instrument on NASA's Mars InSight mission that was supposed to be driven into the planet's soil is stuck. It's designed to measure Mars's internal temperature.
Light pollution has taken away much of the night sky. But there are still places far from city lights where amateur astronomers gather with their telescopes for what they call "star parties."
Somehow, at the beginning of time, there was an imbalance of matter and antimatter. That's how all the stuff in the universe came about. Scientists think they may find an answer by studying neutrons.
When it comes to scientific research, mistakes are not only part of—but also crucial—to the process. Phil Plait explains how small setbacks can play a critical role in making big discoveries.
NASA wants you to go to Mars...at least, they want your name to go. As part of a publicity campaign, the public can fill out a form and have a name coded on a microchip to head up in 2020.
Asteroid experts have been simulating a large asteroid heading towards Earth. Friday is the conclusion to the realistic simulation and will reveal how well planetary defense efforts work in this scenario.
A fictitious asteroid is the focus of a realistic exercise, as experts at the Planetary Defense Conference run through how they would respond to news of a looming asteroid strike.