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.”
…