Scientists believe that two asteroids might be fragments of long-lost "planetary embryos" from the early solar system.

The OSIRIS-REx mission returned to the sample to Earth in September of 2023, and these studies show that it contains amino ...

Our Solar System is simple—one star, planets orbiting around it. But what happens in a system with multiple stars? Scientists ...

"We are the first mission to be able to track space weather events in three dimensions routinely across the solar system." ...

Is it possible to understand the universe without understanding the largest structures that reside in it? In principle, not ...

Helium can help scientists detect the speed and direction at which we’re moving through space. Deuterium, which is left over ...

Cosmic rays coming from outside the Solar System bring these particles closer to the Sun, where they experience changes ...

Galaxies are astronomical objects composed of billions or even trillions of stars. Our Earth and solar system are just a tiny ...

Helium can help scientists detect the speed and direction at which we’re moving through space. Deuterium, which is left over ...

The acid yellow moon Io that orbits Jupiter may be less than 30% the size of Earth, but is considered the most volcanic body ...

Our modern era of space observation and exploration deepens our connection with the universe—and with each other. When NASA ...