Recent X8-class solar flare activity reveals critical weaknesses in America's power grid, where geomagnetic currents could destroy transformers and trigger prolonged blackouts.

Explore the solar system from Mercury to Pluto and discover the extraordinary differences in orbital speed, year length, and rotation. Learn how Mercury completes a year in just 88 days, while Neptune ...

February holds some spectacular sights in the night and morning sky. See what's happening in the skies over North Texas this ...

Have you been wondering why the northern lights are suddenly all over social media — and in the news? Noticed an unusually ...

The asteroid, around 100 feet in diameter, is speeding toward our planet at about 22,000 miles per hour, according to NASA.

Want to feel cosmically insignificant? Wikipedia's "Timeline of the far future" catalogs scientific predictions stretching ...

Another powerful explosion occurred on the far side of the Sun. This was reported on February 6 in the Telegram channel of the Laboratory of Solar Astronomy of the Institute of Space Research (IKI) of ...

Scientists say this powerful surge in solar activity could set the stage for the northern lights to appear as early as Thursday, Feb. 5 ...

NASA spent roughly a billion dollars to send a car‑sized robot into the Sun’s atmosphere, and to get there it had to ...

Astronomers are closing in on what looks like a rare prize: a world almost the size of Earth, circling a Sun-like star at a ...

Scientists have long opposed polar geoengineering. Some now believe it will be necessary.

NASA explains that auroras form when charged particles from the Sun collide with gases in Earth’s atmosphere, guided by the ...