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The Tunguska explosion on June 30, 1908, is the largest asteroid impact in recorded history. It flattened 830 square miles of Siberian forest.
Chinese moon mission Chang'e 6 brought to Earth the 1st sample of the far side ever taken on Tuesday, June 25, 2024. It reached the lunar surface on June 1.
Scientists said Jupiter's Great Red Spot has persisted for around 190 years. They believe it's not the same storm astronomers saw on Jupiter in the 1600s.
For the first time, scientists have discovered the most distant merging quasars yet - at the Cosmic Dawn - some 900 million years after the Big Bang.
For the 1st time, an orbiting spacecraft has detected water frost on Mars volcanoes. The daily amount of frost could fill 60 Olympic swimming pools.
A new NASA exoplanet catalog unveils 126 newly discovered worlds ranging from scorched wastelands to ones that may be able to support life.
Gliese 12 b might have Earth-like temperatures or be more like a hot Venus. It orbits a red dwarf star, only 40 light-years away.
Let the bright star Vega guide you to a famous star pattern in Hercules - called the Keystone - and then to the Hercules cluster, aka M13.
Why does the puffy exoplanet WASP-107 b have a density similar to a marshmallow? New findings from Webb show it is hot on the inside due to tidal heating.
Warm-blooded dinosaurs arose about 180 million years ago, during the Jurassic Period, in response to changes in climate, according to a new study.
Killer whales take 1 breath between dives. New data from tags attached to the animals and observations from unmanned aerial vehicle drones have verified it.
Scientists announced the discovery of the first nitroplast, a nitrogen-fixing organelle. It's just the 4th example in history of primary endosymbiosis.
Auroras last night from "extreme" geomagnetic storming - which came after a week of very high activity on the sun - wowed millions around the globe.
NASA's Webb telescope has tentatively detected an atmosphere on rocky exoplanet 55 Cancri e, a hot super-Earth world only 41 light-years away.
Alan Shepard became the 1st American in space on May 5, 1961. His suborbital flight took place just 3 weeks after the Soviet Union's Yuri Gagarin orbited Earth.
NASA's Webb telescope looked at the sub-Neptune exoplanet K2-18 b. It found methane, carbon dioxide, a possible ocean, and even ... maybe ... a biosignature.
The European INTEGRAL satellite detected a giant magnetar eruption of gamma rays. This rare, powerful event is the first witnessed in another galaxy.
Voyager 1 has again begun sending an intelligible signal back to Earth. Scientists hope they can prompt the craft to resume sending science data.
Comet Pons-Brooks makes its closest pass by the sun on April 21. Look for it after sunset in the west; it will soon slip into southern skies.
Happy Earth Day tomorrow! As a celebration of Earth, enjoy these photos, a collection of the 10 best Earth images from space. What are your favorites?