This artist’s illustration represents the possible interior dynamics of the super-Earth exoplanet LHS 3844b. The planet’s interior properties and the strong stellar irradiation might lead to a ...

Volcanic activity on Mars has existed in the past. The most recent was likely 50,000 years ago. Olympus Mons, the largest volcano on Mars, hasn't shown signs of activity for 25 million years. Volcanic ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. The small icy worlds on the edge of our solar system may be better contenders for life than we first thought, scientists ...

Our sun is about five times less magnetically active than other sunlike stars—effectively a special case. The reason for this could reside in the planets in our solar system, say researchers at the ...

Geoscientists at Virginia Tech may have figured out why Ceres — a dwarf planet and the largest celestial body in the solar system’s asteroid belt — was found to show “unexpected geological activity,” ...

Mars may look like a quiet, dusty world, but it’s actually buzzing with hidden electrical activity. Powerful dust storms and ...

A team co-led by Southwest Research Institute found evidence for hydrothermal or metamorphic activity deep within the icy dwarf planets Eris and Makemake (artistic illustration). Located in the Kuiper ...

A team found evidence for hydrothermal or metamorphic activity within the icy dwarf planets Eris and Makemake, located in the Kuiper Belt. Methane detected on their surfaces has the tell-tale signs of ...