715 new planets discovered

Scientists say Nasa's powerful Kepler telescope has discovered 715 new planets beyond our Solar System.

In the last 20 years researchers have found over 1,000 new planets, so to discover 715 in one go is a big deal.

The new planets found are all in multi-planet systems, orbiting 305 stars.

95% of the planets are smaller than our Neptune, which is four times the radius of the Earth.

Watch more Newsround videos