Might the first moments of planet formation be more understandable than ever before? Fresh observations suggest that the creation of worlds such as our own is perhaps happening right in front of us, ...

Scientists have been wondering for years whether there is a ninth planet in our solar system. Now, a study by Japanese scientists seems to bust that belief. They have found an object orbiting the Sun ...

The Dutch-led team used NASA's Webb Space Telescope and a telescope in Chile to observe a young star some 1,370 light-years away.

It's been almost 40 years since Voyager 2 flew past Uranus, but its readings from that whistlestop flyby have remained some of the most important for how we understand the planet. But new data from a ...

Astronomers used a telescope in Hawaii to find a new object on the outer edges of our solar system, helping to fuel evidence of a long-standing theory about Planet Nine, or Planet X.

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a ...

Astronomers have discovered the earliest seeds of planets forming around HOPS-315, a baby star located 1,300 light-years away.

A paper published this week by doctoral candidate Te Han and his adviser, Paul Robertson, probably shrinks the number of ...

Astronomers discovered evidence for the earliest stages of planet formation forming around a baby sun-like star, providing a ...

"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today." ...