The newfound exoplanet, called Kepler-139f, is a gigantic world roughly twice the mass of Neptune and 35 times the mass of ...

Jupiter, the giant of our Solar System, remains one of the most fascinating and mysterious planets to explore. With its ...

Researchers suspect that two meteorites found in the Sahara Desert in 2023 may originally have come from Mercury, which would make them the first identified fragments of the solar system’s innermost ...

Scientists have found that Uranus is emitting its own internal heat — even more than it receives from sunlight — and this ...

A new study led by University of Houston researchers, in collaboration with planetary scientists worldwide, suggests Uranus ...

Though our solar system and the movement of its planets appear relatively sedate, there are many things that could upset the ...

Astronomers have uncovered a massive, hidden exoplanet nestled in the dusty disc of a young star—MP Mus—by combining ...

A study from University of Houston researchers showed Uranus's energy levels change with its long seasons, which last about 20 years. This is likely ...

A newly discovered ice comet from deep space may be over 7 billion years old, making it the most ancient comet scientists ...

Centimeter-sized pebbles have been detected in protoplanetary discs using e‑MERLIN, filling in a critical phase of planet ...

Astronomers tracking an interstellar object flying through the solar system think it comes from a star at least 8 billion ...

I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.