NASA has selected four proposals for mission concept studies to help us better understand key Earth science focus areas for the benefit of all, including greenhouse gases, the ozone layer,…
About 4.5 billion years ago, Earth and Venus were born in the middle of a chaotic star system. Since the neighboring worlds are the same size and structure, it is…
The search for life beyond Earth has led searchers to explore all sorts of potential habitats—not only in the growing list of known Earth-like exoplanets, but also elsewhere in our…
The James Webb Space Telescope (JWST) has observed light from stars surrounding some of the earliest supermassive black holes in the universe -- black holes observed as they were less…
Anyone who watched Matthew McConaughey dive into a supermassive black hole in Interstellar might think they have a rough idea of what it would be like to encounter one of…
The Dark Energy Camera (DECam) has captured an eerie and ghostly arm reaching out from the Milky Way from a distant spiral galaxy. But don't panic; despite its moniker "The…
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Sign up for CNN's Wonder Theory science newsletter. Explore the universe with news of fascinating discoveries, scientific breakthroughs and more. CNN — Earth's magnetic field plays a key role in…
In 2015, the iconic Laser Interferometer Gravitational-Wave Observatory (LIGO) made the first-ever tangible detection of gravitational waves. The waves were the result of two black holes colliding far out in…
Zoom in / The Polaris Dawn crew from left to right: Anna Menon, Scott Poteet, Jared Isaacman and Sarah Gillis.John Kraus/Polaris Program Over the weekend, the crew of the upcoming…