Two Million Years Ago, an Encounter between the Sun and Something Outside the Solar System Altered All Life on Earth

Two Million Years Ago, an Encounter between the Sun and Something Outside the Solar System Altered All Life on Earth

New research from Boston University and the Harvard Radcliffe Institute suggests that the Sun passed through a huge hydrogen cloud two million years ago, directly affecting its protective heliosphere and may have permanently altered all life on Earth. Evidence for this event and its effects on Earth’s climate also shows that the Sun’s location in …

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Interstellar Space Clouds Triggered the Ice Ages, Research Suggests

Interstellar Space Clouds Triggered the Ice Ages, Research Suggests

The Pleistocene Epoch—with its glaciers, woolly mammoths, and Neanderthals—still looms large in Earth’s rearview mirror, having ended a mere 12,000 years ago. Now, a team of researchers posit that those hundreds of thousands of years of our planet’s history may have been chilly due to a cloud in space that briefly removed Earth from the …

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Scientists call the region of space influenced by the Sun the heliosphere – but without an interstellar probe, they don’t know much about its shape

Scientists call the region of space influenced by the Sun the heliosphere – but without an interstellar probe, they don’t know much about its shape

Michigan HT Image {{^userSubscribed}} {{/userSubscribed}} {{^userSubscribed}} {{/userSubscribed}} Michigan, The Sun warms the Earth, making it habitable for people and animals. But that’s not all it does, and it affects a much larger area of space. 3.6 Crore Indians visited in a single day choosing us as India’s undisputed platform for General Election Results. Explore the …

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Sun Series: The Sun, Our Star

Sun Series: The Sun, Our Star

About NASA’s Curious Universe Podcast Come get curious with NASA. As an official NASA podcast, Curious Universe brings you mind-blowing science and space adventures you won’t find anywhere else. Explore the cosmos alongside astronauts, scientists, engineers, and other top NASA experts who are achieving remarkable feats in science, space exploration, and aeronautics. Learn something new …

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