An asteroid could collide with Earth: What could happen if it hits, and should we worry?
An asteroid could hit Earth, but scientists are continuing to gather data to understand its trajectory and potential impact to Earth.
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NASA's new SPHEREx space telescope to launch in February — it can do what the JWST can't
SPHEREx is slated to launch Feb. 27 on a SpaceX rocket. It is meant to map the entire night sky in infrared — something even ...