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 ...
In late 2025 a mysterious comet flew between the orbits of Earth and Mars and reached a speed of more than 150,000 miles per ...
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.
This striking image from the science camera on ESA's Jupiter Icy Moons Explorer (Juice) shows interstellar comet 3I/ATLAS ...
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 ...
Several of NASA's space-based missions have observed Interstellar Comet 3I⧸ATLAS. As it approaches Mars, orbiters and rovers ...
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 ...