StarTalk looks at the real radius of the universe in a concise, science-focused discussion.

New observations provide insights into whether the birth of the giant planets takes a similar course to that of stars. New observations provide insights into whether the birth of the giant planets ...

Based on hard science fiction, a genre that prioritizes scientific accuracy, the blockbuster gets a lot right but misses a ...

DayStar’s Sol 100 Hydrogen-alpha telescope is a 4-inch instrument that allows safe viewing of normally invisible solar features. The design offers a ¾° field of view and unique coatings, optimizing ...

Kone Oyj is in talks to acquire TK Elevator, the private equity-owned elevator maker that’s been planning an initial public offering, people familiar with the matter said. The Finnish company is ...

Latest observations of L98-59d, about 35 light years from Earth, suggest it could be different to anything seen before Astronomers have identified a planet composed of molten lava, suggesting the ...

The Vera C. Rubin Observatory has started releasing its first discoveries: including supernovae, variable stars and asteroids, which will from now on be discovered at an astonishing rate as it begins ...

A clear explanation of how Earth’s orbit shaped the Gregorian calendar and why leap years keep our calendar aligned with the seasons. ‘All options’: Aus reacts to Trump turmoil NASA's mission to the ...

Paramount Skydance says it’s “prepared to engage in good faith and constructive discussions” after Warner Bros. Discovery reopened negotiations around its $30 per share takeover bid and gave the ...

Whether you’re chasing galaxies in California or counting meteors in Uruguay, this year’s top dark sky festivals promise awe, community, and unforgettable views. Michael d’Estries is a science ...

From Mercury’s rare appearance to NASA’s Artemis II launch window, here’s everything to watch in the skies this month. Michael d’Estries is a science journalist with two decades of experience devoted ...

The September 2025 issue featured “A guide to beginner’s guides,” a reminiscence and description of some the books for astronomy beginners that Contributing Editor Raymond Shubinski recommends or ...