What might seem like a simple black-and-white picture of some rocks is actually the first photograph ever taken on the ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

In the search for life elsewhere in the universe, scientists have traditionally looked for planets with liquid water at their surface. But, rather than flowing as oceans and rivers, much of a planet's ...

Astronomers have detected helium escaping from the atmosphere of LHS 1140 b, a rocky, Earth-size planet sitting inside the ...

As astronomers have begun to gather data on the atmospheres of planets, we're learning about their compositions and evolution. Thick atmospheres are the easiest to study, but these same thick ...

New research suggests Mars could have enough water under its surface to form a global ocean. On Monday, scientists released their findings, which are based on seismic measurements captured from NASA’s ...

A new study using data from NASA’s Spitzer Space Telescope provides a rare glimpse of conditions on the surface of a rocky planet orbiting a star beyond the Sun. The study, published today in the ...

The BepiColombo spacecraft flew past Mercury for the fifth time last week, revealing the planet in mid-infrared light for the first time. The images revealed details of the temperature and composition ...

Earth, our home planet, is a world unlike any other. The third planet from the sun, Earth is the only place in the known universe confirmed to host life. With a radius of 3,959 miles, Earth is the ...

The small craft will seek to prove that powered, controlled flight is possible on another planet. But just getting it onto the surface of Mars will take a whole lot of ingenuity. NASA’s Ingenuity Mars ...