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Russian scientists discover a new island in the Caspian Sea — the world's largest inland body of water
By Sascha Pare published
Researchers have confirmed the existence of a new island in the northern part of the Caspian Sea, but they haven't managed to land on it yet.

'River of fire' flows from Mount Etna during 'crazy' explosive outburst
By Harry Baker published
Earth from space A recent satellite image captured a glowing river of lava flowing down the flank of Europe's largest active volcano as it spectacularly blew its top and unleashed a towering plume of ash, smoke and toxic gases into the skies over Sicily.

Summer solstice 2025: When is the solstice, why does it happen, and how do cultures celebrate?
By Jamie Carter last updated
What is the summer solstice, and when does it happen? The longest day of the year falls on either June 20 or 21 every year in the Northern Hemisphere. Here's everything you need to know about the science, and timing, of the summer solstice.

'City-killer' asteroid swarms and a buried toddler 'Ice Prince'
By Pandora Dewan published
Science news this week June 7, 2025: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.

Hidden layer beneath Italy's Campi Flegrei caldera may explain why it's so restless
By Stephanie Pappas published
According to new research, the active volcano that sits west of Naples has a "tuff" layer about two miles beneath the surface that traps volcanic gases deep below the caldera's floor.

Lake Natron: The caustic, blood-red lake in Tanzania that turns animals to 'stone'
By Sascha Pare published
Lake Natron is a soda lake in northern Tanzania with a volcanic geology that maintains the water's pH around 10.5, which is almost as caustic as ammonia. Some life-forms thrive there nevertheless.

Record-breaking piles of sargassum seaweed wash up on Caribbean beaches, with more on the way
By Sascha Pare published
Record amounts of sargassum are floating in the Caribbean Sea and ending up on beaches from Puerto Rico to Guyana — but scientists aren't sure why there's so much of it in the first place.

Earth's energy imbalance is rising much faster than scientists expected — and now researchers worry they might lose the means to figure out why
By Sascha Pare published
For reasons still unknown, Earth's energy imbalance is rising much faster than models can account for. Now, scientists are calling for long-term investment in monitoring capability, so that they can make informed predictions about climate change.

Nuclear fusion record smashed as German scientists take 'a significant step forward' to near-limitless clean energy
By Victoria Atkinson published
Germany's Wendelstein 7-X stellarator has set a new benchmark for fusion reactors, bringing commercial, near-limitless clean energy one step closer to reality.

Mount Etna eruption in images: See Europe's largest active volcano blow from different angles
By Patrick Pester last updated
The latest Mount Etna eruption triggered an avalanche of volcanic material and sent ash miles into the air. Spectacular photos and videos capture the eruption of Europe's largest active volcano.
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