Most astronomers agree that life is likely common throughout the universe. While Earth is the only world known to have life, ...

Instead of using thrusters, SPHEREx relies on a system of reaction wheels to control its orientation. The observatory will ...

Some experts remain unconvinced about this discovery. It’s been almost two decades since our solar system lost its 9th planet. Pluto was officially reclassified from a planet to a dwarf planet ...

In a breakdown of Planet Nine, NASA said: "It could also make our solar system seem a little more 'normal.' "Surveys of planets around other stars in our galaxy have found the most common types to ...

A newly released image of the sun captured by the world’s largest solar telescope shows the surface of our nearest star in ... sun’s inner atmosphere, at a scale of 6.2 miles (10 kilometers ...

The sun and our solar system are passing through the Local Bubble, and have been doing so for the past five million years or so. The cloud, named Eos after the goddess of Greek mythology who ...

A giant object that has been lurking in the relative galactic vicinity of the Solar System this entire time has just been unmasked ... (Thomas Müller and Thavisha Dharmawardena) If we could see it ...

This flyby marked a major milestone as Lucy completed its second encounter in its planned 12-year journey across the solar system. NASA’s Lucy spacecraft is on a bold journey to explore the Trojan ...

The star-forming cloud EOS is one of the largest structures in the sky. Thomas Müller (HdA/MPIA) and Thavisha Dharmawardena (NYU) The birthplace of stars begins within large, cold clouds of gas ...

Circinus West is a cold, dense cloud of gas and dust that stretches out for 180 light-years, around 60 times the size of our solar system. Nebulas like this are so dense that light cannot pass ...