Interstellar comet 3I/ATLAS, the third object ever confirmed to have originated beyond our solar system, is heading back into ...

Add Yahoo as a preferred source to see more of our stories on Google. This year has given stargazers plenty of opportunities to catch the colorful auroras of the northern lights flicker across the ...

Once-rare displays of Northern Lights at southerly latitudes look set to continue for the foreseeable future as scientists confirmed that August saw the sun at its most active for 23 years. The sun's ...

The sun has become increasingly active since 2008, a new NASA study shows. Solar activity is known to fluctuate in cycles of 11 years, but there are longer-term variations that can last decades. Case ...

The colossal ball of hot gas at the center of our solar system will be lively for the next year, NASA said. The sun has reached its "solar maximum period," which is a state of heightened activity in ...

Internal changes due to the sun's "active biorhythm" have become increasingly "skin-deep" over the past four solar activity cycles, according to a new study. Publishing its findings in Monthly Notices ...

Moon impact 3.5 billion years ago reveals hidden Solar System history through tiny mineral grains. The discovery shows asteroid bombardment continued long after the Late Heavy Bombardment period.

Scientists have found that extreme solar activity drastically compresses the magnetosphere and modifies the composition of ions in near-Earth space. They are now looking to model how these changes ...