It seems like every other day, astronomers announce the discovery of a new exoplanet. As such, it's natural to wonder how we manage to detect such planets against seemingly insurmountable odds ...

Yet we know a lot about these planets. How do we know so much about planets we can’t see? First, let’s quickly review how scientists actually find exoplanets.

"Our approach gives astronomers an idea of how many spots a star might have, where they are located, and how bright or dark ...

We can hope to add, then, to the tiny number of exoplanets that have been directly imaged, a useful adjunct to existing observing methods.

NASA's Kepler spacecraft has discovered nearly 3,000 possible exoplanets by tracking slight fluctuations in starlight to reveal their orbits. This is one of several methods employed in the hunt ...

Even with more than 5,000 other worlds in the books, it’s still just us. In fact, scientists could find 5,000 more exoplanets and we might be exactly as alone as we are now.

Astronomers have discovered more than 3,000 planets around other stars, so far. In the first of a two-part series we look at how they find world’s elsewhere in the universe.

In all the Universe, there's only one Earth. But can we find the other worlds that are like ours?

Many of the known exoplanets are Jupiter-like gas giants in very close, short-period orbits around stars, but increasingly a number of Neptune-like exoplanets have been found too, including some in ...