Behold! See our closest view of Jupiter's ocean moon Europa in 22 years | SpaceX, NASA to study use of Dragon to visit Hubble Space Telescope | New evidence for liquid water on Mars
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NASA's Jupiter-gazing spacecraft just got a rare closeup of an icy world.
The Juno probe made the closest pass in 22 years of Jupiter's icy moon Europa on Thursday (Sept. 29), providing the best view of the ocean world since the NASA's Galileo spacecraft flew by it 2000.
Astronauts could visit the Hubble Space Telescope again someday, this time on a private spacecraft. The agency announced Thursday that it's conducting a joint study with SpaceX to look into sending a Dragon capsule to Hubble, to boost the observatory's orbit and perhaps assist it in other ways as well.
Scientists have uncovered further evidence that liquid water exists beneath the ice cap at the southern pole of Mars and it may mean that the planet is geothermally active.
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Celebrate our lunar neighbor this Saturday (Oct. 1) with International Observe the Moon Night 2022! The worldwide event takes place every year and provides "opportunities to learn about lunar science and exploration, observe celestial bodies and honor personal and cultural connections to the moon," according to NASA(opens in new tab). Last year's festivities attracted almost 500,000 participants from 122 countries, spanning every continent.
An odd shield of supercharged gas protects dwarf galaxies from being ripped apart by the gravitational pull of the Milky Way, 30 years' worth of observations by the Hubble Space Telescope reveal.
Imagine the Milky Way's 100 billion stars as a flat, tranquil pool of water. Now, picture someone dropping a stone the size of 400 million suns into that water. The tranquility is shattered. Wave after wave of energy ripples across the galaxy's surface, jostling and bouncing its stars in a chaotic dance that takes eons to calm.
Firefly Aerospace's second orbital launch attempt will have to wait for another day. The company planned to send its Alpha rocket to orbit on a test flight early Friday morning (Sept. 30) from California's Vandenberg Space Force Base, and it ticked off a lot of boxes along the way — including engine ignition.
Advanced artificial intelligence has identified thousands of possible "gravitational lenses" — warps in space-time predicted by Albert Einstein — promising to enhance our understanding of dark matter and the evolution of galaxies.
