Leonid and Geminid Meteor Showers Bring Bonanza before Year’s End
Two unusual annual meteor showers come at the end of the year, and each can spark astonishing celestial fireworks
Two unusual annual meteor showers come at the end of the year, and each can spark astonishing celestial fireworks
The James Webb Space Telescope’s studies of the Crab nebula may shed new light on the supernova remnant’s origins
Reproducing in space is just one of many reasons we should delay settlements beyond Earth
Fresh images show off the Euclid space telescope’s ability to capture crisp pictures of vast swaths of sky
The James Webb Space Telescope is gazing across the universe to find galaxies close to the “cosmic dawn”—and you can explore them from the palm of your hand
Several unexplained measurements are threatening to upend scientists’ understanding of the universe’s origin and fate
A planet-vaporizing impact is the leading explanation for a distant star’s curiously fluctuating light
Astronomers have found high-altitude clouds formed from quartz crystals on the gas-giant world WASP-17b
The James Webb Space Telescope’s infrared gaze sheds new light on the Orion nebula, an icon of the night sky
The sun’s magnetic poles are about to reverse as part of a regular 11-year sunspot activity cycle
Thirty years ago, astronomer Carl Sagan convinced NASA to turn a passing space probe’s instruments on Earth to look for life — with results that still reverberate today
Slow-moving stars at the Milky Way’s outskirts suggest our galaxy may be far lighter than previously believed, with profound implications for dark matter
The European Space Agency says a software patch restored stability to its cosmos-mapping Euclid spacecraft — but slower operations could extend the mission
Of the thousands of stars visible to the eye, only a few hundred are known to have planets. But that number may be far higher in reality
At times, the enormous BlueWalker 3 telecommunications satellite is brighter than some of the most iconic stars visible from Earth
This annular solar eclipse will only reveal its full glory to a select few, but onlookers across much of the Western Hemisphere can catch a partial glimpse of the dazzling phenomenon
Astronomers have a new term to describe the pain associated with the loss of access to dark skies: noctalgia
The equinox is not when day and night have equal lengths. Instead it’s something more nuanced but no less glorious
A new NASA instrument allows researchers to view the bright and permanently shadowed portions of the moon’s Shackleton Crater at the same time
Thousands of spacecraft circle Earth. Seeing them from the ground is surprisingly easy—and a lot of fun
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