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Not Aliens: Weird Radio Signal from Star Likely Has Duller Explanation
July 21, 2017 | ArticleA strange radio signal that seemed to emanate from a small nearby star probably came from Earth-orbiting satellites, astronomers said.
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Bad News for Life: TRAPPIST-1 Planets' Atmospheres May Have Been Destroyed
July 19, 2017 | ArticleThe potentially Earth-like planets in the TRAPPIST-1 system may not be so conducive to life after all, two new studies report.
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No, Congressman, There's No Evidence of an Ancient Mars Civilization
July 18, 2017 | ArticleIn case you were wondering, there's no evidence that Mars hosted an alien civilization thousands of years ago, or at any time, for that matter.
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Weird Radio Signals Detected from Nearby Red Dwarf Star
July 17, 2017 | ArticleStrange radio signals have been spotted coming from the vicinity of a nearby star — but don't get your hopes up that aliens are responsible.
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Finding Extraterrestrial Life May Rely on Identifying Traces Rather Than Aliens
July 12, 2017 | ArticleTaking inspiration from the work of Leonardo da Vinci, a new paper suggests focusing on how to look for trails, tracks, burrows, and other signs that could reflect the existence of alien life.
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Mars Soil May Be Toxic to Microbes
July 06, 2017 | ArticleUltraviolet radiation streaming from the sun "activates" chlorine compounds in the Red Planet's soil, making them potent microbe-killers, a new study suggests.
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Kepler Has Taught Us That Rocky Planets Are Common
June 28, 2017 | ArticleRocky planets are probably a whole lot more common in our galaxy than astronomers previously believed — a scenario that enhances the prospects for extraterrestrial life in nearby solar systems.
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No, NASA Hasn't Found Alien Life
June 26, 2017 | ArticleNASA is not preparing to drop an alien-life bombshell, despite what you may have heard.
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Life on TRAPPIST-1 Planets? Rock-Swapping May Boost Odds
June 23, 2017 | ArticleThe three potentially habitable Earth-size planets in the TRAPPIST-1 system may be even more promising abodes for life than scientists had thought.
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Is It Time to Rethink How We Search for Alien Life?
June 22, 2017 | ArticleIntelligent, extraterrestrial life could be advanced in ways that would stymie efforts to find them.
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