New experiments show young rocky planets can generate water naturally when molten surfaces react with hydrogen in their early atmospheres.
About 50 light-years from Earth, a gas giant about half the mass of Jupiter orbits a sunlike star. The discovery of Pegasi 51 b ushered in a new era of exoplanet research.
Astronomy on MSN
November 2025: What's in the Southern Hemisphere sky this month?
As November begins, two of the solar system's rocky planets form a nice pair low in the western sky during twilight. They add a sparkle to our view of the constellation Scorpius the Scorpion as it ...
NASA's Hubble Space Telescope explores the evolution of spiral galaxy UGC 10043 through images taken 23 years apart, in 2000 ...
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