In December 2025, the European Space Agency’s XMM-Newton observatory captured a 20-hour X-ray exposure of interstellar object 3I/ATLAS while it was roughly 282–285 million kilometers away. At the time ...

“While 3I/ATLAS is a visitor from interstellar space, travelling from outside the Solar System, its behaviour is completely ...

Astronomers first spotted comet 3I/Atlas in data collected by the Asteroid Terrestrial-impact Last Alert System (ATLAS) in ...

Green Bank Telescope rules out alien signals in interstellar comet 3I/ATLAS after rigorous scientific deep search.

Despite the dramatic name, these alignments aren’t exceptionally rare. The last six-planet parade occurred in January 2025, and a four-planet lineup followed in August 2025. What makes each one feel ...

Six planets, Mercury, Venus, Neptune, Saturn, Uranus and Jupiter, will be visible, according to NASA. Seeing a parade of six or even seven planets is rare. Of the six, four will be visible to the ...

February is ending with a bang as six planets align in the night sky on Saturday. Mercury, Venus, Jupiter, Saturn, Uranus and Neptune will all be visible in the evening sky on Saturday, but you might ...

A viral claim about Earth losing gravity for seven seconds in 2026 has been debunked by scientists. Learn why this sensational story is a hoax.

NASA's Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer (SPHEREx) was built for the ambitious purpose of performing an all-sky survey. The data it collects ...

Is 3I/ATLAS just a comet — or an intergalactic ark? A NASA spacecraft has discovered organic chemicals on 3I/ATLAS, which Harvard scientist Avi Loeb claims raises the possibility that the comet is an ...

NASA’s SPHEREx tracks changes in dust and gas around interstellar comet 3I/ATLAS by measuring infrared light emitted from materials released into the comet’s coma. According to NASA on February 4, ...