By combining the power of ground-based and space-based telescopes, astronomers have discovered a new brown dwarf—a type of ...

White dwarfs—the dense, fading cores left behind after stars like our sun die—are usually calm, cool, and ancient. Over ...

By combining the power of ground-based and space-based telescopes, astronomers have discovered a new brown dwarf—a type of ...

Scientists have recently unveiled a remarkable discovery in the outer reaches of our solar system: a space fossil located 4 ...

Planets do not emit visible light like stars; they shine in the sky because they reflect sunlight. Exoplanets too reflect starlight, and nobody does it better than LTT9779b. This world reflects 80 ...

Solving a lunar mystery? Scientist at the University of Arizona is the lead author on research proposing a new theory for the ...

Could Artemis III astronauts collect some lunar samples that shed light on the moon's mysterious past? That's what a team of ...

Since Pluto was relegated to dwarf planet status, almost everyone has agreed that there are eight planets in our solar system ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

A natural satellite is simply a celestial object that orbits a planet or a smaller body. Unlike the ones we build and send up ...

Astronomers detected a bright signal, coming from deep inside a dust disc, that is likely newborn planet HD 135344B still ...

Planets that orbit white dwarf stars should be too hot to host alien life, theories suggest. But a new study accounting for ...