As comet 3I/ATLAS reaches its closest point to the sun on October 30, scientists prepare for a moment of peak activity that no one on Earth will witness. The interstellar comet will pass 1.35 ...

Comet 3I/ATLAS was expected to come within 130 million miles of the sun on Oct. 30. For the time being, 3I/ATLAS will remain on the opposite side of the sun from Earth, making it impossible to observe ...

The interstellar comet 3I/ATLAS is just a day away from perihelion, which is its closest point to the sun and the time around which it is expected to be most active. Although 3I/ATLAS is currently ...

ESA’s Solar Orbiter has given scientists their first clear view of the Sun’s poles, a region that has long remained hidden from observation. The findings reveal unexpected plasma flows and magnetic ...

Late on Oct. 21, 2025, a spectacular coronal mass ejection (CME) erupted from the far side of the sun, an area currently dominated by the powerful and persistent Active Region 4246. The eruption ...

Three new spacecraft successfully launched from NASA’s Kennedy Space Center in Florida on Wednesday, inaugurating missions to better understand the sun and its effects on Earth. One satellite is the ...