Science Archives - Page 3 of 89

NASA Satellites Have Detected Heat on Earth That Was Not Fully Accounted For

April 6, 2026 by Julie Majid

A major piece of Earth’s energy system is now visible.

For decades, scientists have known that a large portion of Earth’s heat was escaping into space in ways they could not fully measure. That gap has limited how accurately climate systems could be understood and predicted. Now, new satellite data is beginning to reveal how that hidden heat moves, especially in regions that play a key role in regulating global temperature. These early observations are giving researchers a clearer picture of how energy leaves the planet and how different conditions affect that process. What is being uncovered could improve forecasts and change how future climate behavior is modeled.

What the Southern Ocean Has Been Holding Back May Not Stay There

April 6, 2026 by Katy Stublen

A buildup beneath the surface may not stay contained.

Global warming is often described as a steady rise in temperature, but new research suggests the process may not be that straightforward. Scientists studying the Southern Ocean are focusing on changes happening far below the surface, where large amounts of heat are being stored over time. These deeper layers are not easily observed, yet they play a major role in how the climate system behaves. As conditions shift, researchers are beginning to question whether this stored heat will remain contained or if it could influence surface temperatures in ways that current models do not fully account for.

Tombs Sealed for 2,300 Years Are Revealing an Unexpected Greek Footprint in Iraq

April 6, 2026 by Julie Majid

Beneath receding waters, a relic of the Hellenistic world emerged.

For centuries, this place sat hidden beneath water, untouched and out of reach. Nothing about it suggested what was waiting below, or how much had been preserved. When the surface finally pulled back, it did not reveal ruins scattered or empty. It revealed something far more intact, something that had been left behind with intention. The arrangement, the objects, the way everything was placed, it all pointed to lives that had once been carefully recorded in ways that were never meant to disappear. What emerged was not just a site, but a moment in time that had remained sealed until now.

Two Human Choices May Have Permanently Altered the Chemistry of the Great Salt Lake

April 6, 2026 by Katy Stublen

New evidence points to two turning points in history.

For thousands of years, one massive lake followed its own steady rhythm, shaped by climate, minerals, and time. Nothing about it suggested sudden change or instability. Then, within a relatively short span, something shifted. Not once, but twice. What makes this story different is how precise those moments appear to be, almost like fingerprints left behind in the water itself. Scientists studying the lake’s past are now seeing patterns that do not match anything that came before. The implications are hard to ignore, especially because the forces behind those changes may feel far more familiar than expected.

These 13 Common Phrases Have Native American Origins Most People Miss

April 3, 2026 by Katy Stublen

These phrases are more historically layered than they seem.

©Image license via PetsnPals/ChatGPT, Elderly Native American Telling Children Stories

Many commonly used phrases have origins that are rarely considered in everyday conversation. These expressions have been repeated for generations, often without awareness of how they entered the language or what they originally meant. In many cases, the meanings have shifted over time, while the wording has remained unchanged. Linguists and historians have traced several of these phrases back to early interactions between Native communities and European settlers. Understanding where these expressions come from provides context for how language evolves and how cultural influences become embedded in daily speech, often long after their original significance has faded from common understanding.