A collaborative team of scientists has discovered that life on Earth over three billion years ago relied on the metal molybdenum, which was incredibly scarce in the environment at the time. The study, published in Nature ...
Astrobiology
May 5, 2026
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152
When you're looking for signs of extraterrestrial intelligence, it helps to know what you're looking for and to go about it in the most efficient way. But work so far has generally not done so, writes Benjamin Zuckerman, ...
Looking back at 14 years of Hubble telescope data for Jupiter's moon Europa has given Southwest Research Institute (SwRI) scientists a better understanding of its tenuous atmosphere. The findings have cast doubt on previous ...
Astrobiology
May 18, 2026
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76
Laser sail propulsion is an idea that won't go away. By aiming powerful Earth-based lasers at tiny spacecraft with light sails, tiny spacecraft can be accelerated to near-relativistic speeds without carrying fuel or an energy ...
Space Exploration
Apr 30, 2026
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63
Expose an animal to extreme physical stress, and the expectation is simple: It will break down. But when UC Riverside scientists subjected fruit flies to forces many times stronger than Earth's gravity—a condition called ...
Space Exploration
May 1, 2026
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52
Astronomers can use telescopes to find specific molecules in the atmospheres of neighboring planets, in nebulae—clouds of interstellar dust and gas—hundreds or thousands of light-years away, or in galaxies beyond the far ...
Astronomy
Apr 27, 2026
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46
Earth's earliest continents may have set the chemical stage for life by regulating boron levels in ancient oceans, a new study in Terra Nova suggests.
Astrobiology
May 6, 2026
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43
Ganymede, Jupiter's largest moon, is also the solar system's largest satellite, even larger than the planet Mercury. It is also the only celestial body aside from Earth (and the gas giants) to have an intrinsic magnetic field. ...
Astrobiology
May 12, 2026
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40
Suppose there are signs of extraterrestrial life and we have not yet been able to detect them. What does that mean? In Nature Astronomy, researchers discuss the consequences of these so-called false-negative results. "We ...
Astrobiology
May 21, 2026
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36
A discovery by a South Korean research team suggests that impact-generated lakes may have fostered early oxygen-producing life. A team of South Korean scientists has uncovered new evidence that could help explain how Earth's ...
Astrobiology
May 20, 2026
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32
