which are key factors in shaping the planet’s surface environment, hinting at Mars’ dynamic geological past. Studying Martian dunes also allows scientists to compare them with terrestrial dunes, ...

For years, scientists have puzzled over why Earth and Mars are missing certain key elements. Now, a fresh study suggests ...

Scientists estimate that the first generation of reptiles evolved between 320 and 310 million years ago, this group was later dominated by dinosaurs which paleontologists say they evolved on Earth ...

Hycean worlds are also called ocean worlds. They're planets covered in oceans that also have thick hydrogen atmospheres.

Southwest Research Institute has collaborated with Yale University to summarize the scientific community's notable progress ...

Once a star reaches the end of its life stage and becomes a red giant, any chance for life is extinguished. This is also true for our Sun, which is expected to turn into a red giant in about five ...

For decades it was thought that water was prevalent in the outer reaches of the Solar System early in its history, with comets and asteroids delivering moisture to Earth and the inner planets during ...

Along the way, this vapor disk encounters the inner planets, immersing them in a kind of “bath”. In a way, the disk “waters” the terrestrial planets: Mars, Earth, Venus and Mercury.

Because many close-matching simulations had the planet-like object swooping through the inner solar system, the researchers created an additional 10,000 simulations including the terrestrial ...

In PDS 70, for example, it could be that these terrestrial planets lose some of the water that is readily available to them—relying on asteroids to later replenish it.