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A fossil at Morrill Hall was recently renamed after research determined it was a different species than previously thought. Styxosaurus rezaci is named after a family near Valparaiso.

A fossil at Morrill Hall was recently renamed after research determined it was a different species than previously thought. Styxosaurus rezaci is named after a family near Valparaiso.

A fossil at Morrill Hall was recently renamed after research determined it was a different species than previously thought. Styxosaurus rezaci is named after a family near Valparaiso.

A fossil at Morrill Hall was recently renamed after research determined it was a different species than previously thought. Styxosaurus rezaci is named after a family near Valparaiso.

A fossil at Morrill Hall was recently renamed after research determined it was a different species than previously thought. Styxosaurus rezaci is named after a family near Valparaiso.

A fossil at Morrill Hall was recently renamed after research determined it was a different species than previously thought. Styxosaurus rezaci is named after a family near Valparaiso.

A fossil at Morrill Hall was recently renamed after research determined it was a different species than previously thought. Styxosaurus rezaci is named after a family near Valparaiso.

A fossil at Morrill Hall was recently renamed after research determined it was a different species from what was previously thought. Styxosaurus rezaci is named after a family near Valparaiso.

Large-scale wildfires, possibly started by humans, in an ecosystem made fire-prone by climate change caused the disappearance of saber-toothed cats, dire wolves and other large mammals in Southern California nearly 13,000 years ago.That’s the conclus

A new study helps explain the Earth’s last major extinction event, with lessons for today