SANTA CRUZ — Xi Zhang, a professor of Earth and planetary science at UC Santa Cruz, has discovered that an exoplanet classed ...

When Earth was a molten inferno, water may have been locked safely underground rather than lost to space. Researchers ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

A world in warming, under most circumstances, tipping toward deep cooling does seem counterintuitive; yet, Earth's geological ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar neighbor, which lies just 4.2 light-years away — thanks to a powerful new ...

Europe is looking to send up a terawatt belt into space. It would involve satellites covered in solar panels that would ...

Tantalising signs of past microbial life showed up on Mars this year, but to truly know whether they contain the answer to ...

Radio waves from Earth have been moving through space for more than a century. They did not start as part of any grand plan ...

For centuries – maybe millennia – humans have wondered how Mars gets its red hue, but a recent study has some answers.

Pandora Mission will attempt to capture the atmospheric conditions of 20 planets as they eclipse their respective suns, an ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

There could be a ninth planet in our solar system that's lying in wait to be discovered - and no, it's not Pluto. Our solar ...