First estuary under Antarctic ice discovered

For the first time, scientists have discovered that Antarctica`s massive ice sheet is hiding an estuary, where fresh water from rivers mixes with salt water from the ocean.

Satellite identifies potential danger atop Himalayas

A satellite-based study has indicated that a huge glacial lake has formed atop the Himalayas in Sikkim with a "very high" potential for it to burst and create devastation downstream.