"Planet Nine" hypothesis gets new boost
"I think it is very unlikely that P9 does not exist. There are currently no other explanations for the effects that we see," researcher Michael Brown said.
US hints Russia "hiding something" after nuclear space weapons ban blocked
U.S. Ambassador to the U.N. Linda Thomas-Greenfield asked what Russia was "hiding" by vetoing a resolution banning space nukes.
How to watch Lyrids meteor shower light up the night sky this weekend
"The best time to see these is after midnight on a moonless night, with as little light pollution as possible," said astronomer Don Pollacco.
Mystery of how Pluto got its heart finally "solved" by astrophysicists
The large heart-shaped region may have formed after a massive but slow-moving object collided with Pluto at a strange angle.
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.
Jason Kelce doesn't think Travis Kelce should go to space seeking aliens
The brothers discussed Travis' invitation to discuss space flight with SpaceX on their most recent podcast.
Goldie Hawn reveals alien encounter: "They touched my face"
The actress said that she met aliens when she was 20 years old, and their touch "felt like the finger of God."
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.
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."
NOAA raises risk of strongest solar flares amid high sunspot activity
There is a 15 percent chance of X-class solar flares on Wednesday, and a 40 percent chance of M-class flares.
Woman woken by loud noise finds meteorite in her garden
"There was no crater, but it broke the table," Sylvain Bouley, president of the Astronomical Society of France (SAF), said of the meteorite's crash landing.
House-sized asteroid to pass closer to Earth than the moon
Asteroid 2023 RR5 is due to skim past at a distance of 130,000 miles away from Earth, nearly twice as close as the Moon at 240,000 miles.
Exclusive: US general lays battle plan to avoid war in space no one may win
"No one can afford a conflict that extends into space," General Chance Saltzman, head of the U.S. Space Force, tells Newsweek.
Scientists find origin-of-life molecule in space for first time
Carboxylic acid, a chemical considered important to life, has been detected in interstellar space for the first time ever.
NASA's impending mission to $10,000 quadrillion asteroid explained
The launch of the Psyche spacecraft to its namesake asteroid is due this October, and will only arrive at its Asteroid Belt location in 2029.
Perseids meteor shower 2023 might be the best in years
The Perseids occur every year in July and August as the Earth passes through the cloud of dust left by Comet 109P/Swift-Tuttle.
China urges "peaceful" space cooperation as U.S. grapples with UFO debate
"The exploration and peaceful uses of outer space is humanity's common endeavor and should benefit all," the Chinese Embassy spokesperson tells Newsweek.
Scientists solve mystery of unidentified space object washed up on beach
The huge metal cylinder found on a beach in Western Australia has now been identified by the Australian Space Agency as part of a rocket from another country.
Solar plasma explosion hits the Solar Orbiter spacecraft
The CME was detected on the far side of the sun traveling at 3.4 million mph, a speed that indicates the CME may have been very powerful.
Elon Musk's SpaceX rocket punches hole in ionosphere
In the wake of the rocket's exhaust fumes, a faint red glow could be seen in the night sky, indicating that the exhaust was reacting with the ionosphere.
Strange radio signals detected from spinning mystery object in space
The object, thought to be a magnetar, was found to emit radio waves every 22 minutes, much slower than other magnetars which pulse around once per second.
Planets might have "siblings," astronomers find
A cloud of debris is seemingly orbiting around a star in the same path as another planet, in the first evidence of two exoplanets sharing an orbit.
"Cannibal" eruption from the sun may disturb Earth's magnetic field
Cannibal coronal mass ejections are when a faster-moving plume of solar plasma catches up and engulfs a slower preceding CME.
Mysterious 8-foot object washed up on beach might be decades-old rocket
European Space Agency engineer Andrea Boyd said that whoever owned the object originally should be responsible for disposing of it from a beach in Australia.
Supermassive black hole mysteriously comes alive, starts feeding
Scientists say the discovery is one of the most "extreme" instances of this kind of event they've ever seen.
Symphony of most powerful gravitational waves ever discovered by scientists
Large gravitational waves have been found rippling through the background of space-time. "We've opened a new window of observation on the universe," said one researcher.
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.
Star Betelgeuse's spectacular supernova will be visible with the naked eye
Betelgeuse, a red supergiant, has been getting brighter over the last few months, leading scientists to suggest it may explode sooner than expected.
New 'Star Wars' planet is nothing like Tatooine
In the second-ever discovery of its kind, multiple planets have been orbiting around two stars at once in a binary star system straight out of Star Wars.