Largest shock wave in the universe is '60 times larger than the Milky Way,' new study finds By Brandon Specktor published 27 February 22 Astronomers captured detailed images of the largest shock wave in the known universe, emitting from the merging galaxy cluster Abell 3667
The solar system: Facts about our cosmic neighborhood By Sarah Wild, Adam Mann published 25 February 22 Take a journey through our solar system, including a stop at the non-planet Pluto.
4th search for aliens near Milky Way's center comes up empty By Stephanie Pappas published 25 February 22 A hunt for signs of extraterrestrial technology near the center of the Milky Way has found no evidence of alien civilization.
NASA's Artemis 1 moon mission, 1st flight of new megarocket, won't launch until May By Mike Wall published 25 February 22 An April launch is no longer possible for Artemis 1, which will send an uncrewed Orion capsule around the moon using a huge Space Launch System megarocket.
Ultraprecise atomic clock experiments confirm Einstein's predictions about time By Adam Mann published 25 February 22 With one of the world's most precise atomic clocks, physicists have observed time dilation, confirming Einstein's theory of relativity.
Scientists discovered a new type of thermonuclear explosion that may never be seen again By Brandon Specktor published 25 February 22 Astronomers may have discovered a new type of thermonuclear explosion that only occurs in neutron stars every 1,000 years. They call it a hyperburst.
New Russia sanctions won't imperil ISS operations, NASA says By Chelsea Gohd published 25 February 22 The International Space Station program will continue business as usual, NASA assures us as the U.S. government levies new sanctions against Russia.
Scientists say planetary intelligence is real, but Earth doesn't qualify yet By Harry Baker published 24 February 22 A new study exploring planetary intelligence has revealed the key steps planets, including Earth, must take to become fully intelligent.
Russian military could target satellites in Ukraine conflict, NRO chief warns: report By Mike Wall published 24 February 22 Commercial and government satellites could be targets of the Russian military as it seeks advantage in Ukraine, the head of the U.S. National Reconnaissance Office said.
China rover spots strange glass spheres on far side of the moon By Ben Turner published 24 February 22 The spheres likely came from superheated silicate rock.
James Webb Space Telescope will study Milky Way's flaring supermassive black hole By Elizabeth Howell published 22 February 22 The James Webb Space Telescope will study the weirdly flickering black hole at the heart of our galaxy, the Milky Way.
Physicists get closer than ever to measuring the elusive neutrino By Paul Sutter published 22 February 22 Scientists used a 200-ton "neutrino scale" to measure the elusive particles.
SpaceX launches 46 Starlink satellites, lands Falcon 9 rocket for 100th time By Mike Wall published 22 February 22 SpaceX launched nearly four dozen satellites and landed the returning rocket Monday (Feb. 21).
Star twinkles 18 times to form hexagonal pattern in new James Webb telescope image By Elizabeth Howell published 19 February 22 The James Webb Space Telescope finished the first major stage in its long process of aligning the observatory's 18-segmented primary mirror.
Three galaxies are tearing each other apart in stunning new Hubble telescope image By Brandon Specktor published 18 February 22 A Hubble Space Telescope image shows a stunning triple galaxy merger in the constellation Cancer.
Mount Etna is erupting and astronauts are watching it from space By Elizabeth Howell published 18 February 22 The Sicilian volcano is 'smoking' and 'spitting lava,' one astronaut reports.
Largest galaxy ever discovered baffles scientists By Ben Turner published 17 February 22 Scientists can't explain how the cosmic monster grew to its colossal size.
2 stars covered in unusual elements have a puzzling origin story By Harry Baker published 16 February 22 Two new studies have identified a bizarre new type of pre-white dwarf stars covered in carbon and oxygen, which could indicate they were born in rare stellar mergers.
How to see February's Snow Moon this week By Laura Geggel published 15 February 22 Here's how to catch February's Snow Moon.
What are the largest impact craters on Earth? By Donavyn Coffey published 15 February 22 What does it take for an asteroid to make a dent on Earth, and which known impact events have left the biggest craters?
