When it comes to science, a simple observation can upend everything you think you know, such is the case with one star ...

Even astronomers who study peculiar outer space objects have their favorites. Here are some interstellar bodies that have won ...

A new study led by UNLV scientists sheds light on how planets, including Earth, formed in our galaxy—and why the life and ...

A low-density, puffy planet orbiting relatively far from a young star in a nearly perpendicular orbit. What's going on?

In the remote outer reaches of planetary systems, far beyond the orbit of known planets, enormous and mysterious worlds silently loop around their stars. Some drift as far as 10,000 times the distance ...

In the hunt for extraterrestrial life, we usually look for planets orbiting sun-like stars and icy moons. But there is ...

Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is ...

White dwarfs may be stellar corpses, but that doesn't mean that everything around them has to be lifeless. That's the conclusion of Florida Institute of Technology researcher Caldon Whyte, who's ...