When the U.S. National Oceanic and Atmospheric Administration's (NOAA) weather satellite GOES-19 turns its gaze toward the sun, scientists don't expect to see our home planet. But there it was ...

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 ...

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 ...

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 ...

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 ...