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Hubble and Euclid capture the final act of a dying star — and it's glorious: Space photo of the week
Astronomers combined Hubble's small-scale details of stellar death with Euclid's wide view of cosmic environments to take a closer look at the iconic Cat's Eye Nebula.
Can you see Earth's shadow?
Earth's shadow follows the planet as it orbits the sun. You can get a sense of its enormous, awe-inspiring size by seeing this silhouette cast on objects ranging from satellites to the moon.
'A collision within a collision': Neutron star merger hiding in mini-galaxy could answer 2 big astrophysics questions
A powerful "gamma-ray burst" has been seen exploding from merging neutron stars hidden within a previously unknown mini-galaxy leftover from an ancient cosmic crash. The "collision within a collision" could help answer multiple astrophysics questions, researchers say.
Exceptionally rare sighting of planets colliding may shed light on the crash that formed the moon
Astronomers say a distant, sunlike star shows signs of a catastrophic planet-on-planet crash that may mirror the ancient impact that formed Earth's moon.
'Interstellar messenger' 3I/ATLAS could be nearly as old as the universe itself, James Webb telescope observations reveal
The comet formed in a cold and distant part of the early Milky Way up to 12 billion years ago, potentially putting it just under 2 billion years the age of the universe.
A 'mass migration' of stars from the Milky Way's center could explain why there's life in our solar system
The Gaia telescope spotted more than 6,000 sunlike stars, all of which appear to have migrated from the galaxy's center more than 4 billion years ago.
Scientists squished microbes into a steel 'sandwich' — and made a profound discovery about life in space
"Extremophile" bacteria could survive asteroid impacts that are strong enough to launch them into space, suggesting that life could travel between planetary bodies.
Universe-shaking collision of black hole and neutron star could upend our understanding of monster cosmic mergers
The catastrophic collision of a black hole and a neutron star sent ripples across the universe. New analysis of those ripples could upend a major theory about how these extreme pairs form.
