New infrared observations reveal that the rare interstellar visitor known as comet 3I/ATLAS has dramatically brightened during its farewell tour of the solar system.
Perchlorate, a toxic substance found in Mars dirt, could help the bacterium Sporosarcina pasteurii strengthen bonds between particles of regolith.
A new comet approaching the sun has caught the attention of astronomers, primarily because of its lineage. It appears to belong to a group of comets that in some cases have briefly become outstandingly bright objects.
An impulsive X4.2 solar flare sparked strong radio blackouts across Africa and Europe as the giant sunspot continues to rage.
A late January 2026 winter storm left more than snow and ice in its wake.
Jupiter may be a bit more petite than expected, and that could have a big impact on how scientists model the mysterious interior of the giant planet.
"You need so much water that we think these could be evidence of an ancient warmer and wetter climate where there was rain falling for millions of years."
A rapidly growing sunspot has fired off at least 18 M-class and three X-class flares in just 24 hours, including an intense X8.3 eruption.
The comet broke into pieces after making a close approach around the sun in October 2025.
"What makes the event even more extraordinary is that it did not involve a single volcano, but multiple active sources."
