Outer Space
NASA Streams Video of a Cat Chasing a Laser From Deep Space
In a first, the agency beamed the playful clip to Earth from a distance 80 times farther than the moon
See the 'Sparkling Snow Globe' Galaxy Captured by the Hubble Space Telescope
The new, holiday-inspired image features UGC 8091, an "irregular" dwarf galaxy in the constellation Virgo
See the James Webb Telescope's Stunning New Image of Uranus With Its Rings and Moons Clearer Than Ever
The gleaming ice giant could soon become a top priority for exploration
The Ten Most Significant Science Stories of 2023
From an asteroid sample that was delivered to Earth to a discovery about human migration from North America, these were the biggest moments of the year
NASA's Voyager 1 Is Glitching, Sending Nonsense From Interstellar Space
The aging spacecraft, launched in 1977, is transmitting a gibberish pattern of ones and zeros back to Earth
Life-Sparking Gas Strengthens Evidence That Enceladus, a Moon of Saturn, Could Be Habitable
Evidence of hydrogen cyanide in data from the Cassini spacecraft adds to a growing list of molecules that could, in theory, support life on the icy moon
James Webb Telescope Captures Image of Supernova That 'Absolutely Shattered' a Star
The new image gives astronomers a near-infrared look at the stellar explosion called Cassiopeia A, located around 11,000 light years away from Earth
An Asteroid Will Eclipse a Red Star in the Constellation Orion Monday Night
In the U.S., the rare event will only be visible from southern Florida, but it will be livestreamed from Italy for viewers everywhere
The Ten Best Science Books of 2023
From stories on the depths of the ocean to the stars in the sky, these are the works that moved us the most this year
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
The 'Comet of the Century' Failed to Impress, but It Wasn't Such a Disaster After All
Highly anticipated before its arrival in late 1973, Kohoutek became an interplanetary punchline. But astronomers may have gotten the last laugh
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
Why Can't Machines Process CO2 Like Trees? And More Questions From Our Readers
You’ve got questions. We’ve got experts
One Reason Migrating Birds Get Lost Is Out of This World
Solar energy can alter the Earth’s magnetic field and likely lead the animals astray
Could Wooden Satellites Reduce Space Junk? The First Is Set to Launch Next Year
NASA and Japan plan to test a biodegradable satellite made of wood, which burns up more easily than metal on reentry
How to Watch the Dazzling Leonid Meteor Shower This Weekend
The celestial spectacle has been ongoing since the beginning of the month, but it will peak Friday night into early Saturday morning
Shakespeare's Portrait Travels to Edge of Space
The stunt was planned to commemorate the 400th anniversary of the Bard's First Folio
Astronauts Lost a Tool Bag During a Spacewalk—and You Can See It Floating From Earth
The bag slipped away while Jasmin Moghbeli and Loral O’Hara were performing routine maintenance on the International Space Station
Saturn's Rings Will Temporarily Disappear From View in 2025
From Earth’s perspective, we’ll be looking at the gas giant’s rings edge-on, making them nearly impossible to see
See the First Dazzling Images From the Euclid Space Telescope
The European Space Agency's observatory will map one-third of the sky over six years in a mission to understand the universe's dark matter and dark energy
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