Study suggests 2014 ocean surface temps warmest on record

2014 is still on track to be the warmest year on record, and ocean surface temperatures appear to be rising as well.

Rosetta spots Philae’s bounce across the comet

Never-before-seen images of a bouncy comet landing! Shows Philae lander attempting to touch down in the weak gravity field of Comet 67P/Churyumov-Gerasimenko.

More lightning strikes in a warming world?

Rising temperatures could lead to a 50 percent increase in U.S. lightning strikes by the end of the century, says a new study.

Here’s how often small asteroids enter Earth’s atmosphere!

Data indicate that small asteroids struck Earth's atmosphere - resulting in a bolide (a fireball, or bright meteor) - on 556 separate occasions in a 20-year period.

Looking for meteors? Try to get away from city lights

City lights drown all but the brightest stars, planets, and fireballs. But there's still some dark out there, as this satellite view of the U.S at night shows.

New clues to possible Venus auroras

For 40 years, astronomers have puzzled over signs of a green aurora on Venus, despite the planet's lack of a magnetic field.

Philae lander completes its main mission, then falls silent

The first-ever comet lander - Philae - made history this week by spending some 57 hours gathering data on the surface of Comet 67P/Churyumov–Gerasimenko.

Slow motion disaster continues at Kilauea

On November 3, a federal disaster declaration was issued for the new lava flow at Kilauea. The lava has destroyed only one home ... so far.

Orion always comes up sideways

Patricia Evans shares her new skill at astrophotography and a poem by Robert Frost.

Nevada earthquake swarm intensifies

Earthquake activity in northwest Nevada over the past week has been more than in previous months combined, says the Nevada Seismological Laboratory.