I/ATLAS isn't 'behind the Sun', explains Dr. Brandenburg. Learn why observers were fooled and how its solar pass tests Avi Loeb's 'alien mothership' theories.
Astronomers have spotted a comet doing something never seen before – slowing its rotation significantly as it makes its way around the Sun. The rest of this article is behind a paywall. Please sign in ...
A Harvard scientist has ignited speculation, claiming that a comet currently under observation might not be a mere icy rock.
Hubble captured this image of the interstellar comet 3I/ATLAS on July 21, 2025, when the comet was 277 million miles from Earth.(NASA, ESA, David Jewitt (UCLA); Joseph DePasquale (STScI)) Astronomers ...
The comet was first spotted by an amateur astronomer looking through SOHO spacecraft data. The newly discovered comet is already putting on a show for amateur astronomers with telescopes at the ready.
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