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By Lily Hautau, CNN (CNN) — A total lunar eclipse is turning the moon a deep reddish-orange on Tuesday for sky-gazers in Asia, Australia, the Pacific Islands and the Americas. This event, often referred to as a blood moon, occurs when Earth moves directly between the sun and the moon, casting a shadow on the

By Jackie Wattles, CNN (CNN) — NASA on Friday announced an abrupt change to its pathway to getting astronauts back on the lunar surface, opting to add in an additional crewed test flight before attempting to land. Space agency officials said that “Artemis III” — the mission name that had previously been used to refer

By Lily Hautau, CNN (CNN) — Sky-gazers will have the opportunity to see six planets in the sky on Saturday, weather permitting, according to NASA. This planetary parade occurs due to the alignment of the planets’ orbits around the sun, said Heidi Haviland, a planetary scientist at NASA’s Marshall Space Flight Center in Huntsville, Alabama.

By Katie Hunt, CNN (CNN) — The 2010 discovery that early humans and Neanderthals once encountered one another and had babies was a scientific bombshell that electrified the field of human origins. Now, geneticists at the University of Pennsylvania say they have a better understanding of the nature of those prehistoric hookups, suggesting the trysts

By Jackie Wattles, CNN (CNN) — Veteran NASA astronaut Mike Fincke has confirmed that he was the crew member who had a concerning “medical event” that led to an early exit from the International Space Station last month. Fincke and his fellow crewmates — NASA astronaut Zena Cardman, Kimiya Yui of the Japan Aerospace Exploration

By Jackie Wattles, CNN (CNN) — Efforts to get NASA’s historic moon mission off the ground have stalled once again, as engineers navigate a new issue with the rocket set to propel four astronauts on an unprecedented path. The agency announced Saturday that it had detected a problem with flow of helium, a gas that’s

By Jacopo Prisco, CNN (CNN) — Saturn’s largest moon, Titan, is one of the solar system’s oddities. Now, researchers have unlocked key insights about this mysterious moon, including how it came to be. The answer may also shed light on the origin of Saturn’s beautiful rings. Shrouded in a thick haze, Titan is about half

By Taylor Nicioli, CNN (CNN) — When scientists with the National Center for Wildlife in Saudi Arabia were surveying caves in search of wildlife in 2022 and 2023, they came across something unexpected: seven naturally mummified cheetahs in five caves near the northern city of Arar. The remains were largely intact with well-preserved soft tissue

By Jackie Wattles, CNN (CNN) — The botched test flight of Boeing’s Starliner spacecraft — a protracted saga that kept two astronauts in space months longer than expected — was a debacle in league with US space shuttle disasters that cost crew members their lives, according to newly revealed findings from a NASA investigation about

By Jackie Wattles, CNN (CNN) — If all had gone according to plan, four astronauts might have been returning just this week from a history-making, 10-day slingshot trip around the moon. Instead, NASA’s engineers have been grappling with the rocket and fuel meant to propel the mission, called Artemis II, troubleshooting an all-too-familiar problem. Just

By Lily Hautau, CNN (CNN) — A “ring of fire” solar eclipse on Tuesday will mark the first eclipse of 2026, but only about 2% of the world’s population will get to see it, according to Time and Date. The event, also called an annular solar eclipse, occurs “when the moon passes directly between the

By Jacopo Prisco, Jackie Wattles, CNN (CNN) — As he took his final steps before leaving the moon, Apollo 17 commander Gene Cernan had some poignant closing words: “We leave as we came, and, God willing, as we shall return, with peace and hope for all mankind.” It was December 14, 1972, and Cernan knew

By Jackie Wattles, CNN (CNN) — A SpaceX capsule carrying four astronauts arrived at the International Space Station on Saturday, bringing the orbiting laboratory back to full staff a month after a previous crew made an emergency exit due to a medical concern, leaving behind a skeleton crew. The mission, called Crew-12, lifted off at

By Jacopo Prisco, CNN (CNN) — An exoplanetary system about 116 light-years from Earth could flip the script on how planets form, according to researchers who discovered it using telescopes from NASA and the European Space Agency, or ESA. Four planets orbit LHS 1903 — a red dwarf star, the most common type of star

By Ella Nilsen, CNN (CNN) — The Trump administration delivered a deadly blow to longstanding US climate policy on Thursday, finalizing rules that revoke the Environmental Protection Agency’s ability to regulate climate pollution. First issued in 2009, the endangerment finding determined that six greenhouse gases could be categorized as dangerous to human health under the