A new study suggests that water ice on Mercury may have been deposited in one Mercurian day by an impactor larger and slower ...
The exoplanet is gravitationally gripped in a speedy, 11-hour orbit around a red dwarf star that's less than one-fifth the ...
The most impressive feature on Mercury is the Caloris Basin, a vast, multi-ringed crater over 800 miles across, which is ...
The source of the significant water ice deposits hidden in Mercury's polar regions has been a topic of debate among ...
Despite being the closest planet to the sun, Mercury has thick deposits of ice at its poles, and now we may understand the ...
Most exoplanet atmospheres NASA’s James Webb Space Telescope has analyzed belong to worlds where iron evaporates. Hot Jupiters – giant planets orbiting within days of their stars – have become ...
North America’s celestial highlights for the weekend ahead, which also apply to mid-northern latitudes in the northern ...
Two days after its publication, Emma Chapman’s new book on radio astronomy is already drawing wide media attention — a ...
Tonight holds profound significance in the celestial calendar of 2026, as the Beehive Cluster while Jupiter, Venus, and ...
NASA’s Psyche spacecraft got a boost on its way to the similarly-named asteroid 16 Psyche. Gravitational boosts — when one or ...
Nuclear power plants are safer than many suspect. But putting reactors in space is a concept with a checkered history. One ...
Mercury's crust contains far more sulphur than the crust of the Earth or the moon, and its magnetic field is lopsided toward the north, a NASA spacecraft has discovered. "What we are finding is that ...
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