11.12.2025
Both planets closest to Earth, Venus and Mars, which are currently moving towards an exceptionally rare conjunction with the Sun in early next year, have become visible today in images coming from the LASCO space coronagraphs and are now publicly available.
10.12.2025
One of the largest sunspot complexes in the last decade and the largest this year, 4294–4296–4298, which appeared on the visible side of the Sun about 10 days ago, is now entering the zone of direct impacts on 3I/ATLAS
08.12.2025
The Sun has been quite active this morning. Three strong M-level flares and one X-class event have already been recorded since the start of the day. This includes what appears to be the first M-level flare in seven days in the largest region of the year, 4294.
08.12.2025
A beautiful and rare "black" solar flare occurred tonight.
08.12.2025
An X-level solar flare (the exact event classification is X1.1) was recorded on the Sun at 05:01 UTC. The flare was impulsive and lasted only about 15 minutes.
07.12.2025
Magnetic storms of the G2–G3 level (moderate to strong) are expected on Tuesday and Wednesday, December 9 and 10, as a result of the plasma ejection coming to Earth after the M8.1 flare that occurred last night.
07.12.2025
A double M-class flare, which occurred yesterday between 07:00 and 09:00 PM UTC, was accompanied by a fairly strong plasma ejection toward Earth. According to observations, the plasma cloud will reach our planet on Tuesday, December 9, approximately in the morning.
05.12.2025
Sunspot complex 4294-4296-4298, which appeared on the Earth-facing side of the Sun a week ago, is currently passing the central meridian and will pose the greatest danger to Earth over the next three days.
05.12.2025
NASA announced that on November 30, it conducted the first repeat observations of the 3I/ATLAS object since July 2025 with one of its largest instruments, the Wide Field Camera 3 (WFC3) installed on the Hubble Space Telescope.
04.12.2025
All three planets closest to the Sun, as seen from Earth—Mercury, Venus, and Mars—are converging in its vicinity for the first time since the fall of 2019.