The U.S.’s return to the Moon[1] with NASA’s Artemis program[2] will not be a mere stroll in the park. Instead it will be a perilous journey to a lunar location representing one of the most extreme environments in the solar system.
For the Artemis
Why is the sky blue?
Curious Kids[1] is a series for children of all ages. If you have a question you’d like an expert to answer, send it to This email address is being protected from spambots. You need JavaScript enabled to view it. [2]. Why is the sky blue? – Mariana A-E., age 11, Tucson, Arizona You might think that
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What’s happening on RedNote? A media scholar explains the app TikTok users are fleeing to – and the cultural moment unfolding there
TikTok refugees fled by the millions[1] to RedNote, a Chinese app, in response to the TikTok ban[2], which went into effect Jan. 19, 2025. The company shut down the app[3] shortly before midnight on Jan. 18.
Through cat memes, shared jokes about the ban
Climate misinformation is rife on social media – and poised to get worse
The decision by Meta, the parent company of Facebook and Instagram, to end its fact-checking[1] program and otherwise reduce content moderation raises the question of what content on those social media platforms will look like going forward.
One worrisome
The Starbase rocket testing facility is permanently changing the landscape of southern Texas
If there is a leader in the aerospace industry, SpaceX is it. The company’s Crew Dragon and Cargo Dragon spacecrafts[1] are the current go-to vehicles to deliver astronauts and supplies to the International Space Station.
NASA contracts awarded to SpaceX
Investments and regulation for vaccines, broadband, microchips and AI
In evaluating the outgoing Biden administration, much news has focused on inflation, immigration or Hunter’s laptop. But as an expert[1] on national competitiveness in science and technology[2], I have a somewhat different emphasis. My research shows that
Meta shift from fact-checking to crowdsourcing spotlights competing approaches in fight against misinformation and hate speech
Meta’s decision to change its content moderation policies by replacing centralized fact-checking teams with user-generated community labeling[1] has stirred up a storm of reactions[2]. But taken at face value, the changes raise the question of the