Astronomers have identified a rare sednoid called Ammonite, an icy object beyond Neptune that offers new insight into the ...

The Helix Nebula is one of the most well-known and commonly photographed planetary nebulae because it resembles the “ Eye of ...

Some 350 light-years away, the V1298 Tau system features an infant sun-like star, just 23 million years old, orbited by four ...

Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

When my colleagues and I send them out to explore our solar system, it's important for us to understand the 3D map of our ...

The short answer is stars will come first. Stars are the components of galaxies. because they're so massive. of materials ...

Pluto's days, though they drag on a bit at around 153 hours, are nothing compared to its years. Pluto's orbit takes 248 Earth ...

For the first time, astronomers have confirmed the existence of a rogue planet, one that doesn't orbit a star, by measuring ...

On January 5, 2005, astronomers at NASA discovered Eris, the second-largest dwarf planet in the solar system. Eris is just slightly smaller than Pluto, and it orbits the sun about three times farther ...

EARTH (CNN) — Bright full moons, dazzling meteor shower displays and remarkable total eclipses will give stargazers plenty of reasons to look to the sky in 2026. The new year kicks off with the full ...

In an ancient star system expected to be stable and dormant, scientists found a 3 billion-year-old white dwarf star still tearing apart massive quantities of rock. “The rate we’ve seen rock consumed ...

A white dwarf is what’s left of a star, like our Sun, that reaches the end of its life. When stars use up all their energy, they expand into red titans, burning much hotter and brighter for a short ...