Our planet is unique for its ability to sustain abundant life. From studies of the rock record, scientists believe life had already emerged on Earth at least 3.5 billion years ago and probably much ...

“The presence of liquid water [on Mars] is a broad topic that includes rains, rivers, lakes, as well as oceans,” says Ezat ...

In addition to shaping the interior of rocky planets, molten rock located deep within these planets may also contribute to ...

It was long thought, up until recently, that asteroids and comets delivered Earth's oceans during the very early Solar System ...

If someone tried to put a price tag on Earth, what would that number even be based on? Land, oceans, ecosystems, raw ...

"A strong magnetic field is very important for life on a planet." ...

Ancient shoreline features hint that water on Mars once formed a vast ocean.

Evidence from fossil shells suggests that falling seawater calcium helped lock away carbon dioxide and helped cool Earth after the dinosaurs.

Scientists have uncovered a surprising mechanism that may explain how Earth cooled dramatically after the age of dinosaurs.

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very similar to classic river deltas on Earth. These are traces of rivers that ...

New research suggests Earth’s water came from sources other than meteorites, challenging long-standing theories on planetary ...

In 2025, the ocean absorbed an extra 23 zettajoules of heat energy in 2025, breaking the ocean heat content record for the ...