Astronomers have unveiled the largest low-frequency radio color image of the Milky Way ever created, offering a sprawling cosmic panorama that reveals supernova remnants, stellar nurseries, pulsars and the intricate glow of gas and dust weaving through our galaxy’s heart.
Built from data collected by the Murchison Widefield Array (MWA) telescope in Western Australia, the image combines…
Halloween stargazing 2025: The moon and Saturn light the night sky for trick-or-treaters
November 3, 2025
Based on the latest national forecast, skies will be mainly clear on Halloween night across about three-quarters of the contiguous (48) United States, as costumed kids arrive at the door looking for candy or some other Halloween treat. Temperatures will be mostly in the…
NASA is sinking its flagship science center during the government shutdown — and may be breaking the law in the process, critics say
November 3, 2025
NASA’s flagship center for space science is under attack from within, and some of the biggest losses appear to be happening behind the curtain of the government shutdown.
Throughout the summer of 2025, Space.com interviewed nearly a dozen current and former NASA…
China reveals crew for Shenzhou 21 mission to Tiangong Space Station, including nation's youngest astronaut (video)
October 31, 2025
China has named the three astronauts set to fly to the Tiangong space station at a pre-launch press conference one day ahead of the Oct. 31 flight of the Shenzhou 21 mission.
Astronauts Zhang Lu, Wu Fei and Zhang Hongzhang will be aboard the Shenzhou 21 spacecraft, currently scheduled to launch on a Long March 2F rocket from the Jiuquan Satellite Launch Center in the Gobi Desert at 11:44 a.m. EDT…
A coronal mass ejection on another star has been witnessed in its entirety for the first time, revealing that when these violent outbursts take place on young stars, they pack enough energy to potentially kickstart the chemistry of life on any orbiting planets.
Young stars…
James Webb Space Telescope spots the haunting Red Spider Nebula with 3-light-year-long legs
October 31, 2025
Out in the cosmic landscape, planetary nebulas would offer the perfect Halloween doors to knock on.
They’re spooky tricksters in their names, as they have nothing to do with planets at all and are rather the gory scenes of stars dying. The term “planetary…
Enormous black hole unexpectedly found in tiny galaxy
October 30, 2025
An unexpected monster black hole was found hiding inside one of the Milky Way’s tiniest neighbors, rewriting what scientists thought they knew about how small galaxies hold themselves together.
Segue 1 is an ultra-faint dwarf galaxy located about 75,000 light-years from Earth, making it a very close neighbor of the Milky Way. Advanced modeling technologies revealed that the galaxy appears to…
Mercury will reach its greatest eastern elongation on Oct. 29, marking one of the best evenings to see the planet this fall as it appears farthest from the sun’s glare in the twilight sky.
As the solar system’s innermost planet, Mercury travels an extremely tight…
Earth’s moon is a treasure trove of resources. Space agencies around the world are planning missions to access and use lunar volatiles, which include hydrogen, water, helium, carbon dioxide, and carbon monoxide, in order to produce fuel sources, breathable air, and…
An innovative technique for measuring the force acting on individual grains of sand could help scientists uncover how winds have shaped the surface of Mars.
The method, developed by researchers at the State University of Campinas in Brazil, uses images of dune surfaces to estimate the force acting on each grain of sand. By combining laboratory experiments, computer simulations and artificial…
