The methane gas may constitute a rarefied atmosphere, or it may come from erupting plumes on Makemake’s surface.

Scientists measure the distance to the Moon by bouncing lasers off mirrors placed there by space probes and astronauts.

Lava tubes are familiar on Earth. They form when the surface of a lava flow hardens while molten rock continues to drain beneath, leaving behind a hollow conduit. On the Moon and Mars, weaker gravity ...

For researchers at the University of Idaho, spotting a moon 6 miles wide orbiting Uranus, a staggering 1.8 billion miles from Earth, may actually be easier than finding a white cat in a snowstorm.

For researchers at the University of Idaho, spotting a moon 6 miles wide orbiting Uranus, a staggering 1.8 billion miles from Earth, may actually be easier than finding a white cat in a snowstorm. A t ...

The rate of finding these distant worlds has recently increased, with astronomers scrambling to accommodate the data ...

The global space-based solar power market value was more than $802.2 in 2020. The global space-based solar power market will grow at a compound annual growth rate (CAGR) of more than 6.8% during the ...

On Sept. 24, 2025, NASA launched two new missions to study the influence of the Sun on the solar system, with further missions scheduled for 2026 and beyond.

Sky This Week is brought to you in part by Celestron. Friday, September 26The Moon reaches apogee, the farthest point from Earth in its orbit, at 5:46 A.M. EDT. At that time, our satellite will stand ...

A recent astronomical discovery has left the scientific community astounded. Astronomers have observed an enormous ring formation around a distant planet, a phenomenon that could have significant ...

The first mission of the program, Artemis I, lifted off on November 16, 2022. The uncrewed flight to test the equipment was, overall, a success. From the first thundering moments of liftoff to the ...