Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

I/ATLAS is a natural celestial object with all the qualities typical to a comet. It doesn't just belong to our solar system.

An exosyzygy – an alignment of three celestial objects around another star – is predicted to happen later this year, but it ...

In a zesty new discovery, scientists have unearthed a strange lemon-shaped exoplanet. It is unlike one we have seen before, ...

So far, humanity has yet to find its first "exomoon"—a moon orbiting a planet outside of the solar system. But that hasn't ...

A team using the NASA/ESA Hubble Space Telescope has uncovered a new type of astronomical object—a starless, gas-rich, ...

The sun’s outer atmosphere resembles a pufferfish.