Elusive Planet Nine could be surrounded by hot moons, and that's how we'd find it By Harry Baker published 15 February 23 The mysterious Planet Nine may have up to 20 moons that could be superheated by the hypothetical planet's gravitational pull, making them easy to spot.
'Pristine' meteorite contaminated with table salt upon crash landing on Earth By Stephanie Pappas published 14 February 23 The Winchcombe meteorite was collected mere hours after it fell, but researchers have found that it was already contaminated with earthly minerals, including common table salt.
Why are we seeing so many UFOs over America all of a sudden? By Brandon Specktor published 14 February 23 The U.S. military shot down three unidentified objects in a single weekend. Why are America's skies so filled with UFOs all of a sudden?
US shoots down UFOs over Lake Huron and Canada By Tia Ghose last updated 13 February 23 The U.S. shot down a UFO over Lake Huron on Sunday, while Prime Minister Justin Trudeau said the U.S. shot down an unidentified flying object over the Yukon, Canada at his request.
What stops nuclear weapons from accidentally detonating? By Joe Phelan published 11 February 23 There are a few strategies for keeping nuclear weapons from accidentally detonating, including where and how the nuclear components are stored.
Enormous 'polar vortex' on the sun is unprecedented, scientists say By Brandon Specktor published 10 February 23 A long, looping filament of plasma snapped over the sun's north pole, creating a 'polar vortex' that scientists can't explain.
James Webb telescope finds Milky Way's long-lost twin 9 billion years in the past By Ben Turner published 10 February 23 The light from the distant Sparkler galaxy was spotted in the James Webb Telescope's First Deep Field and could teach us how our own Milky Way devoured other galaxies to grow.
'Impossible' new ring system discovered at the edge of the solar system, and scientists are baffled By Robert Lea published 10 February 23 A ring looping around the icy dwarf planet Quaoar is located much farther from its parent body than scientists thought was possible.
Scientists reveal 'invisible' galaxy from the early universe, using space-time trick predicted by Einstein By JoAnna Wendel published 9 February 23 Using the ALMA telescope in Chile and Einstein's theory of relativity, scientists observed a young galaxy in the early universe that is invisible in nearly every wavelength.
You have one last chance to view the green comet this week, thanks to a close flyby with Mars By Ben Turner published 9 February 23 The green comet C/2022 E3, last seen 50,000 years ago, will zoom past Mars this week. This could be humanity’s last chance to see the comet up close.
Physicists want to use gravitational waves to 'see' the beginning of time By Andrey Feldman published 8 February 23 Gravitational waves are ripples in the fabric of space. Waves that originated in the early universe could carry important information about the phenomena that occurred there.
Jupiter officially has the most moons in the solar system, discovery of 12 new satellites confirms By JoAnna Wendel published 7 February 23 Twelve newly confirmed moons bring Jupiter's total to 92, surpassing Saturn's 83 moons.
NASA scientists 'weigh' a white dwarf for the first time using a space-time trick predicted by Einstein By Briley Lewis published 7 February 23 NASA astronomers used the Hubble Space Telescope to measure the mass of a white dwarf, an important step for understanding how stars die.
Bright green laser lines shoot across night sky in Hawaii. What caused them? By Harry Baker published 7 February 23 A series of laser flashes recently lit up the night sky above Mauna Kea in Hawaii. Experts say the lasers were emitted by a NASA spacecraft.
'1-in-10-billion' star system is doomed to explode in a fiery kilonova By Stephanie Pappas published 4 February 23 Scientists have discovered an extremely rare star system that is doomed to explode in a 'kilonova' caused by the merger of two neutron stars.
Hidden tide in Earth's magnetospheric 'plasma ocean' revealed in new study By Harry Baker published 3 February 23 Researchers have detected fluctuations in Earth's magnetosphere created by the same tidal forces that the moon exerts on the oceans.
8 possible alien 'technosignatures' detected around distant stars in new AI study By Stephanie Pappas published 3 February 23 Eight signals from far-off stars probably aren't aliens, but the machine learning method that found them holds promise in the search for real extraterrestrials.
Scientists created a weird new type of ice that is almost exactly as dense as water By Stephanie Pappas published 2 February 23 Researchers have created a never-before-seen form of ice with a disorganized structure and a density almost exactly that of liquid water.
The full 'Snow micromoon' rises Feb. 5. Here's how to see it. By Stephanie Pappas published 2 February 23 The full moon will be quite distant from Earth on Feb. 5, making it a 'micromoon'.
Massive, volcano-like eruption may explain dead star's mysterious slowdown By Ben Turner published 2 February 23 A volcano-like eruption on the surface of a dead neutron star could explain its sudden slowdown and the slew of fast radio bursts that followed
