Was the Red Planet once blue? New evidence points to an ancient ocean on Mars

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

Sun unleashes powerful X-flare, CME hits Earth sparking severe geomagnetic storm

Aurora alert! The colossal solar storm could impact and trigger impressive northern lights.

Jupiter has more oxygen than the sun, new simulations reveal

Jupiter harbors more oxygen than the sun, a new study finds, giving astronomers a crucial clue about how our solar system’s planets formed.

After a month of no answer, NASA will try hailing its silent MAVEN Mars orbiter today

MAVEN was built to last in orbit until 2030 — that’s not looking likely anymore.

Beneath the ice: Satellites help map Antarctica’s subglacial surface like never before

Antarctica’s subglacial bedrock was previously one of the least-mapped planetary surfaces in our solar system.

How Mars ‘punches above its weight’ to influence Earth’s climate

“Without Mars, Earth’s orbit would be missing major climate cycles. What would humans and other animals even look like if Mars weren’t there?”

How Mars’ ancient lakes grew shields of ice to stay warm as the Red Planet froze

The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too cold.