Solar System

The sun's visible disk has been perfectly free from sunspots for the first time since June 2022, suggesting the current solar cycle might be heading toward its quieter phase.

If launched in 2035, a spacecraft performing such a maneuver could fly by 3I/ATLAS by 2085.

Is an orbiting space station necessary to achieve lunar objectives, including scientific ones?

New satellite imagery reveals that Doñana National Park, one of Europe's most valuable wetlands, is shrinking so rapidly that it could disappear within a human lifetime.

Scientists may have narrowed down the landing site of the Soviet Union's Luna 9, which in 1966 became the first spacecraft to touch down softly on the moon.

Elon Musk isn't the first person to propose the use of mass drivers on the moon. He's following in the footsteps of space visionary Gerard O'Neill, who floated the idea back in 1974.

A massive upheaval in the Saturnian system could have also led to the moon Hyperion.

China's Shenzhou 21 crew rang in the Year of the Horse with an impressive celebration aboard the nation's Tiangong Space Station that included filming a music video.

As global tensions rise, the island has become a geopolitical pressure gauge, revealing how the old international legal order is beginning to fray.