A sudden, mysterious burst of bright light in the sky could be from a black hole devouring a vast, unusually bare star. In 2018, astronomers spotted a new kind of cosmic explosion that became brighter ...
Look up on a clear night and you'll see the streaks of our new space age. What you don't see is the growing fallout for the atmosphere that keeps us alive.
"We are really pushing the edges, and are seeing things that are more massive, spinning faster, and are more astrophysically ...
Learn more about the ozone hole, how it was created, how it was healed, and what message it offers about climate change.
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