Science

Test your space smarts with our weekly crossword challenge, crafted from Space.com’s biggest headlines.

Contemporary astrophysics has, of course, vindicated Fishacre’s position

Jake Korell’s debut novel ‘The Second World’ envisions a newly independent Mars shaped by real space-policy debates, near-future technology, and the very human absurdities we’ll bring with us when we leave Earth.

Saturn will briefly lose its bling.

While the existence of extra dimensions is a cool idea, it’s currently not supported by any evidence

Canon’s lightest IS binos provide ample image stabilization and good optical clarity — great for enthusiastic, traveling stargazers.

Ideas about Vikings and Norse mythology come mostly from much later medieval sources, leaving plenty of room for reinterpretation. Over centuries, writers, politicians, and artists reshaped these stories to reflect their own worldviews, from romantic heroism to dangerous nationalist myths.…

Scientists flew the XL-Calibur telescope on a high-altitude balloon to measure polarized X-rays from Cygnus X-1. These measurements reveal details about the chaotic, superheated material swirling around black holes. The team also captured data from the Crab pulsar and achieved…

Researchers have pinpointed a super-Earth in the habitable zone of a nearby M-dwarf star only 18 light-years away. Sophisticated instruments detected the planet’s gentle tug on its star, hinting at a rocky world that could hold liquid water. Future mega-telescopes…

A massive solar storm in May 2024 gave scientists an unprecedented look at how Earth’s protective plasma layer collapses under intense space weather. With the Arase satellite in a perfect observing position, researchers watched the plasmasphere shrink to a fraction…