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Artemis 1 moon rocket looks ready for astronaut missions, NASA says

The Space Launch System megarocket aced its debut flight and appears ready to take the next big step.

With a 'wiggle and nudge,' spacewalking astronauts install stubborn array mount outside space station

Proving yet again that if at first you do not succeed, try, try again, two astronauts were finally able to wiggle a stubborn strut into place, completing the installation of a solar array platform that spanned two spacewalks outside the International ...

The James Webb Space Telescope gets its own micrometeoroid forecast — here's how

"It is essentially a meteoroid flux detector, although not intentionally," Margaret Campbell-Brown, a meteor physicist at the University of Western Ontario in Canada, told Space.com. "Although, of course, we're sad for them when their mirror gets hit by ...

Tricky alien worlds easier to find when humans and machines team up

However, a combination of the two could be a perfect team. Astronomers recently tested a machine-learning algorithm that used information from citizen-scientist volunteers to identify exoplanets in data from NASA's Transiting Exoplanet Survey Satellite ( ...

Saturn's moon Mimas may be a 'stealth' ocean world

Mimas, the smallest and innermost of Saturn's major moons, is believed to generate the right amount of heat to support a subsurface ocean of liquid water. And recent simulations of the moon's Herschel impact basin ...

A 319-million-year-old brain has been discovered. It could be the oldest of its kind

A scan of the skull of a 319-million-year-old fossilized fish has led to the discovery of the oldest example of a well-preserved vertebrate brain, shining a new light on the early evolution of bony fish.

Green comet, visible in the night sky for first time since Stone Age, makes its closest pass by Earth

A green-hued comet has made its closest approach to Earth, wowing night sky watchers in the Northern Hemisphere who caught a glimpse of the icy celestial object as it passed through our cosmic neighborhood. Discovered ...

Chaotic 'knot' of merging galaxy clusters captured in multiple wavelengths

Some 780 million light-years from Earth, at least three galactic clusters are undergoing a chaotic merger, and using data from a variety of telescopes, astronomers captured the massive collision in a striking new image. The smaller galactic clusters, ...

Researchers observe exotic bound states in ultracold polar molecules for the first time

A team of researchers at the Max Planck Institute of Quantum Optics (MPQ) in Garching has for the first time observed evidence of a phenomenon that had previously only been suspected: a theory predicts that exotic bound states can arise when ultracold ...

Researchers devise a new path toward 'quantum light'

"Light is no exception: from sunlight to radio waves, it can mostly be described using classical physics," said lead author Dr. Andrea Pizzi, who carried out the research while based at Cambridge's Cavendish Laboratory.