The air on Venus is about 96.5% carbon dioxide, a potent greenhouse gas. All that CO2 leads to a runaway greenhouse effect ...

Their huge size is peculiar and has forced scientists to throw out their pet theories on how planetary lava tunnels form.

Multiple aftershocks have struck near the site of a deadly 6.9 magnitude earthquake in the Philippines that killed at least ...

The need for higher education institutions to show economic, social and environmental impact of their research and how it ...

When something dies, a telltale radioactive signal ticks like a natural clock. Discovering it helped us solve all sorts of ...

The Philippine Institute of Volcanology and Seismology (Phivolcs) recorded close to 800 aftershocks by Wednesday afternoon ...

The Mainichi answers some questions readers may have about Japan's Urashima 8000 deep-sea exploration vehicle and its ...

Mysterious spectral data from Mars reveals a previously unknown mineral, indicating a dynamic past capable of supporting life.

Nestled in California’s northeastern corner, where the state plays footsie with Oregon’s border, sits Tulelake – a small town where stress levels drop faster than housing prices in the 2008 recession.

Redding offers retirees endless adventures without big-city hassles. This northern California gem sits where mountains kiss valleys. The Sacramento River flows through town like liquid silver. Every ...

Update: Episode 34 of the ongoing Halemaʻumaʻu eruption ended abruptly at 7:03 a.m. HST on Oct. 1 after just over 6 hours of ...

Hawaii's Kilauea volcano has been repeatedly disgorging lava at its summit crater about once a week since late last year.