Universe

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Large, Distant Comets More Common Than Previously Thought
Illustration shows how scientists used data from NASA's WISE spacecraft
Studies Find Echoes of Black Holes Eating Stars
Supermassive black holes, with their immense gravitational pull, are notoriously…
Mind-boggling images from 25 years of the Hubble Telescope
Twenty-five years of the Hubble Space Telescope shows us how epic space truly is.
Hubble Rocks with a Heavy-Metal Home - NASA Science
Hubble rocks out with heavy metal stars! This 10.5-billion-year-old globular…
The best Hubble Space Telescope images of all time!
The galaxy NGC 524 is a lenticular galaxy with an intricate spiral shape, which…
The best Hubble Space Telescope images of all time!
As the space telescope nears its 24th birthday, scientists used it to see the…
Hubble Spotlight on Irregular Galaxy IC 3583
galaxy with bright stars
Hubble Detects ‘Exocomets’ Taking the Plunge Into a Young Star - NASA Science
illustration comets plunging into a star with disc
Rover Takes on Steepest Slope Ever Tried on Mars
NASA's long-lived Mars rover Opportunity is driving to an alternative hillside target after a climb on the steepest slope ever tackled by any Mars rover.
The Look of a Young Mars - NASA
This artist’s concept depicts the early Martian environment (right) – believed to contain liquid water and a thicker atmosphere – versus the cold, dry environment seen at Mars today (left).
Opportunity's Devilish View from on High | Galleries - NASA Solar System Exploration
From its perch high on a ridge, NASA's Mars Exploration Rover Opportunity recorded this image of a Martian dust devil twisting through the valley below. The view looks back at the rover's tracks leading up the north-facing slope of "Knudsen Ridge," which forms part of the southern edge of "Marathon Valley." Opportunity took the image using its navigation camera (Navcam) on March 31, 2016, during the 4,332nd Martian day, or sol, of the rover's work on Mars.
Sunset on Mars | Galleries - NASA Solar System Exploration
Sunset on Mars as seen by NASA's Curiosity rover.