Near perihelion 3I/ATLAS exhibits non-gravitational acceleration, which requires massive evaporation for a natural comet (as ...

Harvard physicist Avi Loeb adds a 14th anomaly, highlighting the rare 8-degree sunward alignment of 3I/ATLAS’s anti-tail jet ...

The idea that Mars could affect Earth’s climate sounds dramatic, since climate change is usually linked to cars, factories, ...

The darkest day of the year will soon be upon us. Dec 21 is the winter solstice when we have the shortest daylight hours and ...

For those north of the equator, the solstice on Sunday, Dec. 21, marks the shortest day and longest night of the year. During ...

The winter solstice marks the shortest day and longest night of the year in the Northern Hemisphere before days gradually get ...

Fall is almost over and winter is right around the corner! Sunday marks the first day of winter which coincides with the ...

When Santa is done delivering presents on Christmas Eve, he must get back home to the North Pole, even if it's snowing so ...

The winter solstice marks the beginning of winter. Daylight will begin to increase after the solstice but the coldest ...

The length of daylight on the first day of winter beings to lengthen, an almost imperceptible 2 or 3 minutes each day, until ...

Deep inside Earth, researchers see signs that the solid inner core may be arranged in multiple chemical layers far below.

Earth's climate has swung between ice ages and warmer periods for millions of years, driven by subtle changes in our planet's ...