Astrophysics
Giant, 'Odd' Circles of Radio Waves in Space May Finally Have an Explanation
The mystifying orbs could be caused by galactic winds, propelled by a period of rapid star formation and death
Astronomers Discover the Oldest Known Black Hole, Breaking a Record Set Last Year
The supermassive structure dates to about 400 million years after the Big Bang, and it’s particularly large for its age
This Distant Exoplanet Has a 350,000-Mile-Long Tail, Like a Comet
A stream of particles flung from the planet's star is causing its atmosphere to boil away and lose 200,000 tons of mass per second
Astronomers Discover Rare Solar System Where Planets Orbit in Mathematical Harmony
The "resonant" planets could provide insight about how such systems form and evolve—and why our own solar system is not synced up
Scientists Mystified by Rare, High-Energy Cosmic Ray, the Most Powerful Since 1991
Researchers have been unable to locate an obvious source for the particle—it seems to have traveled from an empty spot in space
Astronomers Spot the Oldest Black Hole Ever Seen, Shedding Light on the Early Universe
Dating to just 470 million years after the Big Bang, the ancient cosmic structure could help researchers understand how the first black holes formed
Mysterious Planet-Like Objects in the Orion Nebula Are Baffling Astronomers
The James Webb Space Telescope has observed dozens of Jupiter-mass, often paired objects, nicknamed JuMBOs, raising questions about how they formed
India Launches Mission to Study the Sun and Space Weather
The Aditya-L1 spacecraft will examine the star's outer layers and aim to shed light on its violent—and potentially damaging—storms
Neptune's Clouds Have Disappeared, and the Sun Might Be Responsible
Scientists have linked shifts in the distant planet's cloud coverage to the ever-oscillating solar cycle, which is due to peak soon
James Webb Telescope Captures the Glowing Ring Nebula in Magnificent Detail
The colorful ring, located some 2,600 light-years away from Earth, is made from the remnants of a dying star
See the First Stunning Test Images From the Euclid Space Telescope
Meant to study the “dark universe,” Europe's space observatory will eventually peer ten billion years into the past and map more than one-third of the sky
You Can Watch the 2024 Total Solar Eclipse From Aboard These Cruise Ships
Several cruise lines are offering special sailings for the rare celestial spectacle on April 8, 2024
This Mirror-Like Exoplanet Is the Most Reflective Ever Discovered
The ultra-hot world is wreathed in metallic clouds that prevent the planet from evaporating and keep its atmosphere intact
Seven Amazing Accomplishments the James Webb Telescope Achieved in Its First Year
The observatory has yielded jaw-dropping shots—and surprising facts—about our universe
Scientists Find Ghostly Neutrino Particles From the Milky Way
It's no surprise that neutrinos come from within our galaxy, but the tiny, chargeless particles are very hard to detect
Gravitational Waves Create a Constant 'Hum' Across the Universe
Breakthrough research suggests the continuous ripples in spacetime could be caused by pairs of supermassive black holes, spiraling toward collisions
See the Sharp New Image of a Supermassive Black Hole
Astronomers used machine-learning technology to improve a 2019 visualization of the M87 black hole, located some 54 million light-years away from Earth
See the James Webb Telescope's Stunning New Snapshot of an Exploded Star
The supernova, known as Cassiopeia A, is located roughly 11,000 light-years from Earth and could offer insights into cosmic dust and star death
Black Hole Hurtling Through Space Leaves a Trail of Stars in Its Wake
Researchers theorize a stream of stars 200,000 light-years long came from a black hole ejected from its galaxy
Burning Space Junk Creates Mysterious Lights in California Sky
Bright streaks observed Friday were jettisoned equipment from the International Space Station re-entering Earth’s atmosphere
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