Astronomers Say They’ve Finally Spotted Betelgeuse’s Companion Star, Long Predicted to Exist but Never Seen
The discovery, if confirmed, could explain Betelgeuse’s mysterious six-year oscillations in brightness
Astronomers Discover ‘Ammonite,’ a Mysterious Distant Object That Could Shed Light on Our Solar System’s History
The celestial body’s unusual orbit “implies that something extraordinary occurred” in the early days of the solar system—and throws a wrench in the Planet Nine idea
Darth Vader’s Lightsaber From the ‘Star Wars’ Original Trilogy Is Heading to Auction for the First Time Ever
The iconic prop, which is expected to fetch up to $3 million, will be sold in September alongside other pieces of movie memorabilia
Scientists Have Never Confirmed a Meteorite From Mercury. Could These Space Rocks From the Desert Be the First?
Two meteorites found in the Sahara show tantalizing similarities to the innermost planet, and while researchers say they are likely not direct samples, “one cannot rule out” the idea
Physicists Detect the Most Massive Black Hole Merger Ever Observed by Studying Gravitational Waves
A short-lived ripple in space-time revealed that two black holes merged into a giant black hole with the mass of 225 suns
Check Out Ten Spectacular Space Images From the Astronomy Photographer of the Year Contest
The annual competition for professional and amateur astrophotographers released its shortlisted images, which capture the beauty of the cosmos seen from Earth
Mysterious ‘Red Sprite’ Appears in NASA Astronaut Photo From the Space Station. What Is This Strange Electrical Flare?
Red sprites are among a class of enigmatic weather phenomena that appear over thunderstorms, known as Transient Luminous Events
The Largest Martian Meteorite in the World Is Heading to Auction and Could Sell for $4 Million
Discovered in Niger in 2023, the rare chunk weighs 54 pounds and represents more than 6 percent of all Mars material on Earth
A Rare Interstellar Object Is Blazing Through Our Solar System, Marking Only the Third Cosmic Visitor on Record
The comet follows just two other deep space objects documented by astronomers in 2017 and 2019
Rare Appearance of Two Novas at Once Illuminates the Southern Sky. Here’s How to Get a Chance to See It
The “new stars” are best seen from the Southern Hemisphere, but people have spotted them from the United States by looking near the southern horizon
With Space Junk on the Rise, Is a Catastrophic Event Inevitable?
Debris from rockets and satellites can fall back to Earth or collide with other objects, and wreckage that burns up can harm the ozone layer
Ultra-Bright Meteor Seen in Broad Daylight, Stunning Residents Across the Southeast
More than 200 sightings were sent to the American Meteor Society, and a Georgia resident reported a rock falling through a roof around the same time
Astronomers Detected a Mysterious Radio Burst. It Turned Out to Be From a Dead NASA Satellite
The signal detected last year came from Relay 2, a communications satellite that has been defunct since 1967
The James Webb Space Telescope Reveals Its First Direct Image Discovery of an Exoplanet
Researchers identified the likely planetary candidate’s infrared light after blocking out its host star’s overwhelming glare
These Colorful Satellite Views Reveal Our Forests in Unprecedented Detail and Showcase the Potential of the New Biomass Mission
The European Space Agency’s satellite will measure trunks, branches and stems in forests to shed light on how much carbon is stored in trees across various continents
See the First Breathtaking Images Captured by the Powerful New Telescope at the Rubin Observatory
Featuring never-before-seen views of galaxies and more than 2,100 newly discovered asteroids, the observations are only a taste of what to expect from the telescope’s upcoming decade-long survey
Stunning New Image of the Sculptor Galaxy Captures the Cosmic Landscape in Thousands of Colors
The galaxy sits in a sweet spot that allows astronomers to study it in ways that can’t be applied to even our own Milky Way
The World’s Largest Camera Is About to Unveil Its First Photos of Space. Here’s How to Follow Along With a Live Stream
The revolutionary Vera C. Rubin Observatory will unveil new insights about our universe—and you can catch a first look at a local event or online on Monday
See the First-Ever Direct Images of the Sun’s South Pole, Captured by the Solar Orbiter Spacecraft
The spacecraft’s tilted orbit will allow scientists to investigate the mechanisms behind space weather that impact crucial human activity on Earth
NASA Spacecraft Orbiting Mars Captures Image of Giant Ancient Volcano Just Before Dawn
The perspective is what astronauts would see out their window if there was an International Space Station flying around the red planet
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