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NASA scientists and engineers have conceived and plan to build a new instrument to study the composition of geysers spewing water vapor on Enceladus.

Scientists have found evidence showing that three-billion-year old volcanic rock found within the Earth's mantle had a different composition than modern ones. Their discovery may offer new information about the first one billion years of Earth's development and early origins of life.

Some exoplanets shine brighter than others in the search for life beyond the solar system.

New ALMA observations reveal emission from clouds of cold cosmic dust surrounding Proxima Centauri.

The Chicxulub asteroid impact that wiped out the dinosaurs likely released far more climate-altering sulfur gas into the atmosphere than originally thought, according to new research.

A giant planet, which should not exist according to planet formation theory, has been discovered around a distant star.

Scientists working closely with amateur astronomers have spotted the dusty tails of six exocomets orbiting a faint star 800 light years from Earth.

Researchers based millions of kilometres from Mars have unveiled new evidence for how contemporary features are formed on the Red Planet.

Minerals containing water are widespread on Ceres, suggesting the dwarf planet may have had a global ocean in the past.

NASA's Hubble Space Telescope has found a blistering hot planet outside our solar system where it "snows" sunscreen.