Could dark energy be changing? Scientists search for clues in the expanding universe

Could dark energy be changing? Scientists search for clues in the expanding universe

The universe is expanding and that expansion is accelerating. For more than two decades, scientists have explained this acceleration using dark energy, a mysterious component thought to make up roughly 70% of the cosmos. The simplest explanation is that dark energy is a constant property of space itself. But new observations …

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How space travel changes human DNA and reveals the genome’s remarkable adaptability

Space may look empty and peaceful from Earth, but for the human body, it is an extreme environment. Astronauts face microgravity, isolation, disrupted sleep, and perhaps most importantly, higher exposure to space radiation. Scientists have therefore been asking a fascinating question: What happens to our DNA when we leave Earth? …

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