Science

A lonely Milky Way analog galaxy, too massive for its wall. The background image shows the distribution of dark matter (green and blue) and galaxies (here seen as tiny yellow dots) in a thin slice of the cubic volume in which we expect to find one of such rare massive galaxies. Credit: Images: Miguel A. Aragon-Calvo, Simulation Data: Illustris…

The rocket engine test occurred at NASA’s Marshall Space Flight Center in Huntsville, Alabama. Image: NASAAs NASA gears up for a return to the Moon with the Artemis missions, the administration has announced that its researchers have successfully developed and tested a new type of supersonic rocket engine called a rotating detonation rocket…

2023 BU will pass over the southern tip of South America on January 26. Illustration: NASA/JPL-CaltechAn asteroid is on its way to Earth, but don’t worry—the end is not here. The asteroid, dubbed 2023 BU, is about the size of a box truck and is not projected to impact our planet during its flyby on Thursday. However, it will be “one of the…

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN  —  A nuclear thermal rocket engine in development could one day transport humans to Mars. The Defense Advanced…

Toni Santana-Ros is an asteroid hunter. At nightfall, after the day's final scenes of flamingo sunbeams fade to black, he peers up at the sky to watch space rocks swimming along our solar system's gravitational tides. Sometimes, he sees shards casually cruising next to Earth, greeting telescopes with a gentle "hey," never to be observed again.…

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A radio signal 9 billion light-years away from Earth has been captured in a record-breaking recording, Space.com said Friday.The signal was detected by a unique wavelength known as a "21-centimeter line" or the "hydrogen line," which is reportedly emitted by neutral hydrogen atoms.The signal captured by the Giant Metrewave Radio Telescope in…

Numerical simulation of the neutron stars merging to form a black hole, with their accretion disks interacting to produce electromagnetic waves. Credit: L. Rezolla (AEI) & M. Koppitz (AEI & Zuse-Institut Berlin) Scientists have advanced in…

A new study has uncovered a previously undetected magma chamber beneath Kolumbo, an active submarine volcano in the Mediterranean Sea near Santorini, Greece.A group of international researchers used a novel imaging technique for volcanoes that produces high-resolution images of seismic wave properties, according to a Jan. 12 release from the…

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. CNN  —  SpaceX fired a new GPS satellite into orbit on behalf of the US military on Wednesday, continuing an effort to bolster the…