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By flying closer to the Sun than ever, Parker Solar Probe reveals the chaotic birthplace of solar wind and space storms, ...
I/ATLAS might be over 7 billion years old, a new study reports, which would make it the oldest comet known. But experts caution we need more data.
A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar ...
Thousands of solar tornadoes swirl above the sun’s surface at any given moment. These remarkable photos give us a glimpse at these stunning cosmic phenomena.
Astronomers have been given the rare opportunity to study an extrasolar object after the recent discovery of the interstellar comet 3I/ATLAS. Experts tell Live Science how they are planning to observe ...