The new Space Force command focuses on terrestrial and orbital defenses over the United States proper, as well as Canada and ...

Across the Northern Hemisphere, familiar seasons are starting to feel unfamiliar. Heat waves linger, cold snaps arrive out of sync, and storms stall over the same unlucky regions. At the heart of this ...

Mercury reaches its peak evening visibility this February, offering Northern Hemisphere observers a longer post-sunset viewing window, higher altitude and a crescent moon reference.

JACKSONVILLE, Fla. — Dec. 21 marks the darkest day of the year in the Northern Hemisphere and the start of astronomical winter, known as the winter solstice. The solstice occurs at 10:03 a.m. EST, ...

Yes the darkest day of the year is here, but that means brighter days are ahead. Sunday is the shortest day of the year north of the equator, where the solstice marks the start of astronomical winter.

Today, penguins are found mainly in the Southern Hemisphere. But fossils have revealed giant lookalikes to these swimming birds further up north, spurring questions of how they evolved and what ...

With solar activity peaking and ideal sky conditions ahead of the spring equinox, mid-March 2026 could offer the final ...

As snowflakes start to settle on mountain peaks, ski enthusiasts eagerly anticipate another season of powdery trails, cozy lodges, and the thrill of the descent. Yet, in recent years, the allure of ...

Yes the darkest day of the year is here, but that means brighter days are ahead. Sunday is the shortest day of the year north of the equator, where the solstice marks the start of astronomical winter.