459 trends tracked about this subject — the full history, oldest to newest below.
A single photon from a massive cosmic explosion reached Earth against the odds, challenging established physical laws.
Observers across 20 U.S. states are preparing for the rare opportunity to view back-to-back Northern Lights displays tonight.
New scientific theories suggest Venus may have possessed a moon for nearly two billion years before the planet eventually destroyed it.
The Epsilon Perseid meteor shower reaches its peak tonight, offering celestial viewing opportunities across several regions.
Coverage highlights a newly noted geometric formation on Saturn, identified as a decagon by The Planetary Society.
NASA's Roman Space Telescope sparks global science coverage as its booster returns to port following launch.
NASA's Chandra X-Ray Observatory has captured images of 16 distinct galaxies, highlighting the diverse shapes and structures these cosmic entities can assume.
Coverage tracks NASA's Swift Observatory resuming observations as it faces a descending orbit and photographic monitoring.
A brilliant fireball meteor lit up the early morning sky across Maryland, New Jersey, and the broader Mid-Atlantic region.
NASA photographs taken 12 years apart reveal a dramatic shift in city illumination from orange glows to white LED brightness.
Interstellar comet 3I/ATLAS has provided astronomers with rare chemical data regarding the frozen outskirts of a distant alien star system.
The DESI legacy imaging survey has released the largest 2D map of the universe, providing a massive new scale for cosmological visualization.
New scientific theories suggest Venus may have possessed a moon for nearly two billion years before the planet eventually absorbed it.
Astronomers using Hubble and Webb telescopes have discovered 27 frozen objects beyond Neptune that have remained virtually unchanged for 4.5 billion years.
Coverage tracks the return of a SpaceX rocket taxi following the launch of NASA's Nancy Grace Roman Space Telescope.
Astronomers using the James Webb Space Telescope suggest mysterious early universe red dots are actually hidden black hole stars.
Scientists are proposing a search for microscopic extraterrestrial technosignatures within the dust of the lunar surface.
Astronomers have released the largest 2D map of the universe, allowing the public to explore four billion cosmic objects via a web browser.
Scientists have discovered tiny vortices and plasma curtains on the Sun, revealing how Kelvin–Helmholtz instabilities drive plasma mixing.
A celestial alignment is occurring as the waning crescent moon moves into close proximity with the planet Jupiter during the dawn hours.
High school students in Hawai‘i have named a stunning image of two spiral galaxies colliding 200 million light-years away, captured by the Gemini North Telescope.
Asteroid 2026 RW1 became the 13th known object detected before hitting Earth, exploding over Australia shortly after discovery.
Stargazers are preparing for a series of celestial events in September 2026, headlined by the rare 'Demon Star' meteor shower.
New simulations suggest the Moon may have formed in just five hours following a catastrophic collision between proto-Earth and the planet Theia.
Two spacecraft are nearing the planet Mercury following a voyage that has lasted nearly a decade.
New observations reveal Betelgeuse is developing an asymmetric, spotty atmosphere shaped by a potential nearby companion.
Astronomers and a backyard astronomer using Hubble found a new roughly 104,000-mile-wide ten-sided storm forming at Saturn's south pole.
Asteroid 2026 RW1 has impacted the Indian Ocean near Australia, marking only the 13th time an asteroid was detected before hitting Earth.
New findings suggest the atmospheric structure at Saturn's south pole takes the form of a decagon.
Recent scientific studies reveal that Mercury's surface and crust are radically different than previously assumed.
Astronomers have identified an unprecedented ten-sided structure located on the north pole of Saturn, challenging existing planetary models.
BepiColombo begins its tricky arrival and final glide toward Mercury after nearly a decade in space.
Venus is transitioning into a thinner crescent and will soon disappear from the evening sky, culminating in a lunar occultation on September 14.
NASA has officially initiated the spacecraft commissioning process for the Roman Space Telescope to begin mapping the structure of the cosmos.
Astronomers using the MeerKAT radio telescope have detected a faint, ancient hydrogen signal from billions of years ago.
New analysis of 1978 NASA probe data challenges the long-held belief that Venusian clouds consist solely of concentrated sulfuric acid.
After an eight-year journey through space, the BepiColombo mission has begun its final approach to enter orbit around Mercury.
NASA's Hubble Space Telescope has captured a spectacular 'superbubble' nebula located within the Large Magellanic Cloud.
Astronomers utilizing the James Webb Space Telescope have observed a distant centaur transitioning into a comet approximately 3 billion miles away.
Rocket issues have forced a delay in the historic first-ever private mission to Venus, pending readiness.
A new scientific study suggests Venus may have once possessed a moon that was eventually destroyed by tidal forces over nearly two billion years.
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Astronomers have discovered a massive, mysterious 10-sided wave pattern swirling within the cloud layers of Saturn's south pole.
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China's FAST telescope has yielded new clues regarding why the universe is producing fewer stars over time.
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A Spanish-led team of astronomers confirms a new planet in the habitable zone of a red dwarf 337 light-years away.
NASA's doomed Swift space telescope has resumed science operations following a failed orbital rescue mission.
23 news sources are covering this Science story right now — PULSE is tracking how fast it spreads.
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NASA’s Roman Space Telescope lifts off on a flawless Falcon Heavy launch, promising new answers to the universe’s deepest questions.
A renewed debate over the 2006 demotion of Pluto as a planet emerges alongside speculative political commentary on the celestial body's status.
Recent observations of a powerful magnetar provide the strongest evidence yet that the vacuum of space acts as a prism rather than a true void.
Astronomers are investigating a mysterious cosmic hum that may have been produced by hypothetical dark stars from 13 billion years ago.
Following a recent lunar eclipse, media outlets worldwide are publishing viewing guides and dates for the upcoming 2027 lunar eclipse.