After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar ...

Still, science being science, we needed proof—and we got it in 1992, when two astronomers found two planets orbiting a pulsar ...

There’s a rule of thumb that can come in handy when you hear about new planet discoveries from the Kepler space mission. If they’re talking about a handful of new worlds orbiting distant stars, it’s ...

The picture-perfect launch of twin Escapade orbiters bound for Mars presages a fantastical new age in exploring the planets, ...

Scientists have observed cryovolcanoes erupting on comet 3I/ATLAS — giving us a new clue about what's inside it.

Astronomers have discovered the raw ingredients of planets orbiting two infant stars, offering a glimpse into how new worlds take shape. These building blocks, called “pebbles,” are tiny solid chunks ...

New technology has been crucial in uncovering new planets and their secrets, and it will be crucial in finally beginning to uncover how peculiar, or not, our own planet actually is. Ewine van Dishoeck ...

One of the most elegant theories about the origins of life on our planet is that it was kick-started by a delivery from outer ...

Scientists have developed a new way to hunt for hidden signals of past life, and say it could assist in the search for extraterrestrial organisms on other planets.