Scientists find "exciting" rare exoplanet in habitable zone of twin stars
"This planet is remarkable in many aspects," astrophysicist Nora Eisner said. "It's remarkable in its orbit, it's remarkable for being in the habitable zone."
Planet where it's sunny every day spotted 280 light-years away
The gas giant exoplanet WASP-43 b has a powerful 5,000 mph blowing around its equator, due to its close orbit with its star.
Astronomers solve mystery of "brightest of all time" gamma-ray burst
"This was an event that Earth sees only once every 10,000 years," said Northwestern University astrophysicist Peter Blanchard.
Astronomers reveal Earth's "sad" fate when the sun dies
When planets and moons orbit a white dwarf, the star's gravity may rip them apart into tiny pieces, which may happen in Earth's far future.
Decades-long mystery of how "brightest stars" form may be cracked
"Mergers may be the dominant channel to produce blue supergiants," astrophysicist Danny Lennon said.
Once-in-a-lifetime nova outburst to add "new" star to sky this year
T Coronae Borealis explodes once every 80 years or so after the white dwarf strips enough of the red giant's atmosphere.
Scientist stunned by disk in star's planet region: "I had never imagined"
"Our results show how the presence of water may influence the development of a planetary system," astronomer Stefano Facchini said.
"Cannibal" star left with metal scar after swallowing its planet
"It is well known that some white dwarfs are cannibalizing pieces of their planetary systems," astronomer Stefano Bagnulo said.
Brightest object ever Discovered—500 trillion times more luminous than sun
This record-breaking quasar is also growing rapidly—by the size of one sun per day.
NASA's Webb Telescope finds unusual galaxy "not really expected to exist"
A new dwarf galaxy has been spotted in the depths of space, but unusually for a galaxy of its type, appears to not be producing any new stars.
Star movements have "deep repercussions" for understanding of Milky Way
"There is something fishy going on somewhere, and it's really exciting to figure out where that is," astrophysicist Lina Necib said.
Mysterious giant structure challenges our understanding of the universe
The "Big Ring on the Sky" is about 1.3 billion light-years in diameter, with a circumference of about four billion light-years.
Hellish world with 2,294 F "lava hemisphere" discovered by NASA
Exoplanet HD 63433 d orbits its star eight times closer than Mercury orbits the sun, with its year lasting only 4.2 days.
Ancient "ritual artifact" may reveal secrets of deep space
A mysterious stone disk found at an ancient hill fort could be the oldest celestial map ever discovered.
Ghostly galaxy haunting astronomers reappears—'a real monster'
"It's potentially telling us there's a whole population of galaxies that have been hiding from us," said Jed McKinney of The University of Texas at Austin.
Universal law of extreme stars uncovered that may explain mystery flashes
Mysterious flashes known as fast radio bursts are among the most perplexing phenomena in the universe.
"Vampire" stars may steal mass to become strange cosmic phenomenon
Scientists hope the discovery could explain several other mysteries and improve our comprehension of how the universe works.
NASA scientists make "exciting" discovery about alien worlds
The James Webb Telescope revealed a physical process that gradually delivers both water and solids to surrounding planets.
"Unique" cosmic light show to fill skies across the globe this weekend
"The Taurids meteor shower graces the skies of almost every corner of our planet," Minjae Kim told Newsweek.
Kilonova millions of times brighter than Milky Way birthed rarest elements
"Colliding neutron stars provide the conditions needed to synthesize very heavy elements," said University of Birmingham astrophysicist Ben Gompertz.
Giant ice planets smashed together in blaze of light—"Complete surprise"
Astronomers have discovered the remnants of two huge planets that collided violently in a distant solar system, sending plumes of dust floating into space.
NASA detects bizarre, extraordinarily bright explosion in unexpected place
The origins of these rare explosions are poorly understood, but a number of potential explanations have been proposed.
Scientists explain "bananas" galaxy observation that baffled everyone
The mystery of six galaxies that appeared too large for their age has been solved by astrophysicists, with the explanation lying in the "bursty star formation."
James Webb Telescope reveals new structures in stunning supernova
The iconic supernova blazed with the power of 100 million suns for several months after being discovered close to our galaxy in 1987.
Amazing pictures capture Perseids meteor shower over national parks
"So beautiful to see the Perseid meteor shower last week," Colorado Parks and Wildlife said in a post.
Scientists discover new type of star that could unlock magnetic mystery
"We don't really know how these objects form, so finding a potential formation route for these objects is exciting," astronomer Tomer Shenar told Newsweek.
James Webb Telescope's best images and discoveries so far
Since it sent back its first batch of stunning images last July, the James Webb Space Telescope has been capturing the universe in spectacular detail.
It turns out a star's twinkle isn't a nice sound at all
"They sound like rhythmic noise, almost like a jackhammer mixed with the static you hear between radio stations," astrophysicist Evan Anders told Newsweek.
Star Wars plot cited as possible theory behind distant planet's survival
Halla is an exoplanet orbiting dying star Baekdu at a close distance, meaning it should have been engulfed by the star as it expanded into a red giant.
Half planet-half star found to be hotter than our sun
Brown dwarfs are usually much cooler than stars like our sun, astronomers have discovered an object orbiting a star that is hotter than the sun.