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.
By taking advantage of a maneuver that would see a spacecraft fire rocket engines while in the solar corona, that spacecraft’s velocity could receive a huge boost — enough to allow it to catch up with 3I/ATLAS, which is the fastest comet ever seen.
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.
We take a look at the best (and worst) places to ski in the solar system, logistics aside.
