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Astronomy & Space news
Private mission to rescue NASA's aging telescope runs into its own trouble
The spacecraft rushing to the rescue of an aging and sinking NASA telescope has run into its own problem.
Space Exploration
32 minutes ago
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Evidence of giant rings in Venus's atmosphere uncovered in archived observations
In 2010, scientists waiting to use the William Herschel Telescope in the Canary Islands captured a brief 36 minutes of images of Venus. They were waiting for the sun to set so they could look at distant stars and dust disks ...
Astronomers find strongest evidence yet that Betelgeuse has a companion
At long last, astronomers have firm evidence that Betelgeuse, one of the most famous stars in the night sky, is not alone. Using the European Southern Observatory's Very Large Telescope (ESO's VLT), a team led by French researcher ...
Astronomy
20 hours ago
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Tabby's star may be orbited by a planetary-mass companion
By analyzing data from NASA's Transiting Exoplanet Survey Satellite (TESS) and conducting new radial velocity measurements, U.K. and French astronomers have found evidence that the mysterious Tabby's star may be orbited by ...
Moon's thick crust could amplify elusive gravitational-wave signals
Gravitational waves are tiny ripples in the fabric of spacetime that are produced when massive objects in the cosmos accelerate or collide. By detecting these waves, astrophysicists can study various cosmic events, including ...
Chicxulub's lingering dust may have turned falling debris into a global firestorm
Sixty-six million years ago, the six-mile-wide (10-kilometer-wide) Chicxulub asteroid crash-landed in Mexico's Yucatán Peninsula and changed life on Earth forever. The reign of the dinosaurs ended, and only creatures that ...
Planetary Sciences
19 hours ago
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More evidence Mars once had water emerges from old Spirit rover data
More than 20 years after NASA's Spirit rover landed on Mars, a researcher from Edith Cowan University (ECU) has uncovered new evidence that suggests water may once have covered large parts of the red planet.
Astronomy
20 hours ago
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The future of the UK's renowned Lovell radio telescope is in question after a funding cut
Scientists have reacted with alarm to news that the British government will cut funding to the world-famous radio telescope at the Jodrell Bank Observatory, a UNESCO World Heritage Site in northwest England that has been ...
Astronomy
15 hours ago
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Martian space suits will need to be 40% lighter
Long before a human ever sets foot on the Red Planet, we already know how harsh the environment is. Once a human finally does, the only things protecting them from that environment will be the infrastructure we've built there ...
Space Exploration
19 hours ago
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NASA science soars during August total solar eclipse
Each time the moon covers the sun during a total solar eclipse—darkening daytime skies and briefly revealing the sun's ethereal outer atmosphere, the corona—it presents new opportunities to better understand our star and ...
Planetary Sciences
21 hours ago
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JWST could spot volcanic 'exo-Ios' around super-Jupiters
Jupiter's moon Io is the most volcanically active planetary body in the solar system, boasting hundreds of active volcanoes that spew molten lava into space. This activity results from a process called tidal heating, in which ...
Astronomy
20 hours ago
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Extragalactic positron-annihilation hotspots might mean Milky Way produces far more positrons than thought
Positrons—the antimatter counterpart of electrons—are created in high-energy cosmic processes. When normal matter meets its antimatter counterpart, they annihilate, or vanish, and produce a distinctive 511 keV gamma-ray signal. ...
Could we send a spacecraft to a black hole?
Black holes represent some of the most extreme environments in the universe. They are the sources of the strongest gravitational fields, allowing us to test Einstein's theory of general relativity to an extent impossible ...
Astronomy
Jul 27, 2026
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Astronomers identify one of the universe's rarest black hole events
A team of astronomers at the University of North Carolina at Chapel Hill has observed an extremely rare "wandering" black hole located tens of thousands of light-years from the center of its galaxy. This finding could reshape ...
Astronomy
Jul 27, 2026
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Hubble shows star formation in Andromeda galaxy is winding down
A new study using data from NASA's Hubble Space Telescope finds that star formation in the nearby Andromeda galaxy has undergone a 500-million-year decline, with an even steeper drop in the last 40 million years. Andromeda, ...
Astronomy
Jul 27, 2026
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Seven possible quasar lenses emerge from AI scan of 800,000 DESI objects
Quasars, distant cores of galaxies powered by supermassive black holes, are among the most luminous objects in the universe. While not uncommon, their brightness can make it difficult to accurately measure the galaxies they ...
Astronomy
Jul 27, 2026
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Mercury reveals short-lived radiation belts during its swing farther from the sun
Mercury was long considered the exception to the rule that magnetic planets have radiation belts similar to Earth's Van Allen belts, but a new study by University of Michigan Engineering and the University of California, ...
Astronomy
Jul 27, 2026
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'Dead stars' may have surprisingly healthy appetites
"Dead stars" known as white dwarfs have already shown the potential to help us better understand how planetary systems, including our own solar system, take shape and evolve. Now, research from the University of Michigan ...
Astronomy
Jul 27, 2026
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How NASA plans to build the Habitable Worlds Observatory
We've been covering the journey of the Habitable Worlds Observatory for some time now. Over the past few years, it's gone from a proposal to a relatively fleshed-out plan for how and what the next Great Observatory should ...
Astronomy
Jul 27, 2026
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Are aliens harvesting the spin of stars?
One of the challenges of searching for technosignatures (i.e., signs that intelligent life somewhere in the universe has created technology) is understanding what to look for. Technology is a very broad area, and different ...
Astronomy
Jul 27, 2026
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More news
What Australian lakes showed us about Martian hydrology
Lucky 13! Starship deploys Starlink satellites and splashes down intact
Are we missing alien lighthouses?
Rocks from unexplored far side of the moon help rewrite lunar history
Mars auroras reveal miniature version of Earth's magnetic engine
Other news
Scientists discover 210-million-year-old dinosaur in Zimbabwe
Ultracold neutrons don't disappear into the mirror world
'Bag of Bones' preserves rare three-tier prehistoric meal in Outback Queensland
Juno takes temperature of Jupiter's fiery moon Io
When a SpaceX rocket crashes into the moon, scientists will be watching
Scientists uncover two new ways doxycycline disables bacterial ribosomes
Nanomace catalyst boosts greenhouse gas breakdown up to 14.4-fold
Tropical insects may be running out of room as temperatures rise
'Rivers in the sky' influence marine heat waves
