Day: January 9, 2023

NASA and ESA Agree on Next Steps to Return Mars Samples to Earth

The agency’s Perseverance rover will establish the first sample depot on Mars. The next step in the unprecedented campaign to return scientifically selected samples from Mars was made on Oct. 19 with a formal agreement between NASA and its partner ESA (European Space Agency). The two agencies will proceed with the creation of a sample …

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NASA Scientists Help Probe Dark Energy by Testing Gravity

Could one of the biggest puzzles in astrophysics be solved by reworking Albert Einstein’s theory of gravity? A new study co-authored by NASA scientists says not yet. The universe is expanding at an accelerating rate, and scientists don’t know why. This phenomenon seems to contradict everything researchers understand about gravity’s effect on the cosmos: It’s …

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