Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered a new ...

Jupiter's moon count reaches 95+ official satellites. Explore the history of the Jovian system, from Galileo to the latest NASA discoveries.

NASA’s Jupiter Trojan probe has identified the first known contact binary satellite, a rare object formed when two bodies merge into one. The discovery offers new insight into how small objects ...

The MarketWatch News Department was not involved in the creation of this content. HAIFA, Israel, Aug. 27, 2025 /PRNewswire/ -- Elbit Systems Ltd. is proud to announce the successful launch of its ...

With the moon out of the way on Jan. 18, bright Jupiter and Saturn become stand-outs in the January night sky.

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor Europa is thought to harbor a vast global ocean of liquid water beneath ...