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In June, more than 60 climate scientists warned that the remaining “carbon budget” to stay below a dire warming threshold will be exhausted in as little as three years at

Recently, SpaceX posted photos on X of its redesigned grid fin for its Super Heavy rocket booster. What is it? Grid fins are lattice-style control surfaces that help steer rockets

The northern lights could illuminate skies overnight on Aug. 18-19, thanks to a fast-moving stream of solar wind that may spark geomagnetic storm conditions, potentially triggering visible auroras across 15

Astronomers using the Hubble Space Telescope have discovered that a seemingly ordinary white dwarf star is actually the result of a dramatic stellar merger. This result, detailed in a new

Isaac Asimov (1920-1992), a legendary writer of science and science fiction, once noted in “The Solar System and Back,” that the planet Mercury is rarely visible when it is truly

What do many baked goods and the planet Mercury have in common? They shrink as they cool. Evidence suggests that since it formed about 4.5 billion years ago, Mercury has

Warm mid-August summer nights offer prime conditions for spotting three magnificent star clusters visible to northern-hemisphere skywatchers in the coming months. Star clusters are gravitationally bound groups of stars that

Mercury may be small, but it’s mighty, zipping around the Sun faster than any other planet. And despite being so close to the sun, it’s not the hottest planet. Venus

This article was originally published at The Conversation. The publication contributed the article to Space.com’s Expert Voices: Op-Ed & Insights. While the dangerous effects of climate change continue to worsen,

NASA and Google are collaborating to test an AI-powered medical assistant designed to support astronauts on long-duration missions, where communication delays with Earth make real-time medical consultations impossible. NASA, which