The interior of asteroid Vesta has been shown not to be a protoplanet after all, meaning that new explanations for its origin ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Thanks to JWST, we've learned key details about methanol — a key building block for organic compounds necessary for life — on ...

For months, President Trump has taunted Canada by claiming it should become America's 51st state. But the country's new prime ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

New views of TOI-421 b by JWST gives insight into how the most common type of planet in the galaxy might form.

Venus will partner up with the giant planets Saturn and Neptune to form a line up in the pre-dawn sky on May 8, with ...

Our solar system may have a ninth planet after all ... In 1983, the Infrared Astronomy Satellite surveyed the universe for a year. In 2006, the Japanese Aerospace Exploration Agency launched ...

Picture this: a small audience is quietly ushered into a darkened room. They gasp in awe, as a brilliant night sky shines above. They wonder—as many after them will do—what trickery has made the roof ...

Researchers say they found a curious dot on infrared images taken 23 years apart that seems to be moving in a manner consistent with a large, distant planet.

Astronomers may have found a candidate for Planet Nine. This planet is beyond Neptune. The finding could be the first ...