Despite what many people think, space is far from empty. Every day, the Earth sweeps up tons of debris left over from the solar system's formation as it orbits around the sun.

The first exoplanet detected using the stellar transit method is also the first subject in a new study, and the results reveal something unexpected.

Commercial space travel becomes more viable by the year, which means we should start thinking about healthy exercise protocols for passengers, especially when it comes to longer trips.

Scientists analyzed data from NASA's earlier rover Curiosity and discovered that Mars didn't dry out over a long period of time; instead, it had alternating wet and dry periods in its younger years.

An international team of researchers examined the origin of water on newly formed potentially habitable exoplanets.