Meteorites are rocks from space that survive their fiery descent through Earth's atmosphere and reach the ground. More than ...

She mapped our solar system's "alternate fate" had it housed an extra planet between Mars and Jupiter instead of the existing asteroid belt. Simpson's paper, "How might a planet between Mars and ...

Staring at the sun—a close (but safe) look at our home star Staring at the sun ... Free learning activities and videos about the solar system Free learning activities and videos about the ...

The fact that our immediate solar neighborhood ... which they incorporated into the map to build a 3D interactive model of the solar system's cosmic neighborhood. This included another previously ...

The Oort cloud is a shell of icy objects that forms the very outskirts of our Solar System. Recently, a group of researchers discovered that the inner portion of the Oort cloud likely has spiral ...

The entire solar system, ours at least, sits inside a pocket of low density called the Local Hot Bubble (LHB). This cavity in space is 1,000 light-years across, at least, and tips the thermometer at ...

PUNCH isn't the only spacecraft studying the solar corona and the transition into the solar wind. NASA's Parker Solar Probe regularly flies closer to the sun than any other spacecraft has gone before; ...

The exact shape of the Oort cloud and how it is affected by forces beyond our solar system have, so far, remained mysterious. Now, researchers have developed a new model that suggests the inner ...

The solar system is made up of the Sun (our nearest star) and the objects that orbit around it, including planets, asteroids and comets. Planets orbit the Sun in roughly circular paths ...