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NASA's Nancy Grace Roman Space Telescope – the space agency’s newest orbital observatory – promises unprecedented wide-angle views of the cosmos, including distant galaxies, black holes and planets ...

The cosmological constant Λ, and its generalization as dark energy, makes up roughly 70% of the present-epoch Universe and has been part of the dominant ΛCDM cosmological paradigm for more than a ...

Add Yahoo as a preferred source to see more of our stories on Google. Nancy Grace Roman stands next to a scale model of the Hubble Space Telescope outside the Hubble control center at NASA’s Goddard ...

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NASA‘s Nancy Grace Roman Space Telescope, blasted off Sunday aboard a SpaceX Falcon Heavy rocket, beginning a mission that scientists hope will unlock some of the universe’s biggest mysteries. The ...

In March, a SpaceX craft carrying astronauts Barry Wilmore and Sunita Williams splashed down near Florida after a 17-hour journey from the International Space Station. Photo: Getty Images Boeing’s ...

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Astronomers have a new tool for peering into the Universe to probe dark matter, dark energy and exoplanets. The Nancy Grace Roman Space Telescope, launched on 30 August, is the first space telescope ...

An international team of scientists led by the Institute of Cosmos Sciences at the University of Barcelona (ICCUB) and the Institute of Space Studies of Catalonia (IEEC) has presented REGALADE, an ...

NASA was winding down its space-shuttle program during the Bush administration when Houston realized it had a problem: None of the four retiring space shuttle orbiters were bound for Texas, even ...