The interstellar comet 3I/ATLAS made its closest approach to Earth today (Dec. 19, 2025). Here's the latest news you need to ...

Two lunar eclipses will mesmerize skywatchers in 2026, featuring a total blood moon over the Americas and a partial eclipse in Asia, with dates, timings and visibility explained.

Activity on the sun is not constant; it varies along a cycle of about 11 years. The peak of this solar cycle — called solar ...

In 2025, NASA also consolidated its social media accounts to improve clarity, compliance, and strategic alignment. After ...

NASA explains how a safely view a 'ring of fire' annular solar eclipse. WARNING: People should always use protective solar ...