Astronomers are closing in on one of the most tantalizing possibilities in planetary science, evidence that a previously unknown world may be lurking in the outer reaches of the solar system. The ...

Jupiter’s moon Io is the most volcanically active place in the solar system. Let me tell you just how volcanic it is.

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar system. It’s an unprecedented ...

Scientists say a nearby red dwarf star hosts a planetary lineup that looks like a mirror image of our own solar system, with rocky worlds bookending a pair of gas-rich planets. Around the star LHS ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. An object has been discovered orbiting the sun far beyond ...

🛍️ Amazon Big Spring Sale: 100+ editor-approved deals worth buying right now 🛍️ By Christopher Palma & Lucas Brefka, The Conversation Published May 21, 2025 8:00 AM EDT Add Popular Science (opens in ...

Our solar system is a smashing success. A new study suggests that from its earliest period — even before the last of its nebular gas had been consumed — Earth’s solar system and its planets looked ...

Planetary scientists have long debated where the material that formed Earth comes from. Despite its location in the inner ...

A milestone has been reached in Science World’s years-long renovation of its aging facility, with new rooftop solar panels ...

JAXA samples reveal that asteroid Ryugu has a complete set of nucleobases, the building blocks of DNA.

The planet Mercury is the closest planet to the sun, and also the most difficult for spacecraft to visit and explore. This is ...