Astronomers could use specific radio signals from the universe’s earliest epoch to “weigh” the first stars in the cosmos. The investigation could reveal more about the so-called Cosmic Dawn, the…
Category: Space
Biomass satellite returns striking first images of forests and more
ESA’s Biomass is the first satellite to carry a P-band synthetic aperture radar. Thanks to the long wavelength of P-band, around 70 cm, this novel radar is able to penetrate…
Moon dust is less toxic than urban air pollution, scientists discover
Moon dust may not be as harmful to humans as had been thought, with a new experiment showing that the typical air pollution on a busy street is more toxic…
May 2024 solar storm cost $500 million in damages to farmers, new study reveals
Location signals beamed to Earth by GPS satellites were off by hundreds of feet during the Gannon Solar Storm in May last year, and the disruption lasted for up to…
Nobel laureate concerned about AI-generated image of black hole at the center of our galaxy
The monster black hole at the center of our galaxy is spinning at ear “top speed,” according to a new artificial intelligence (AI) model. The model, trained partially on complex…
NASA spacecraft around the moon photographs the crash site of a Japanese company’s lunar lander
This image provided by NASA shows an annotation indicating the impact site for ispace’s Resilience lunar lander, seen by the Lunar Reconnaissance Orbiter Camera on June 11, 2025. Credit: NASA/Goddard/Arizona…
Macron says Europe must become ‘space power’ again
The European space industry is struggling to remain competitive in the face of Elon Musk’s SpaceX. President Emmanuel Macron said Friday that Europe must again become a global space power,…
Tabletop exercises can help us understand and avoid potential conflicts over the moon
Humans from different nations can struggle to get along. Will we take our Earthly geopolitical struggles to the moon as nations generate a sustained presence there? Credit: RegoLight, visualization: Liquifer…
Space law doesn’t protect historical sites, mining operations and bases on the Moon – a space lawyer describes a framework that could
This article was originally published at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. April 2025 was a busy month for space. Pop icon…
Radio signal from the very early universe offers clues about the first stars
Credit: CC0 Public Domain Understanding how the universe transitioned from darkness to light with the formation of the first stars and galaxies is a key turning point in the universe’s…
