The Cambrian fossil record indicates that most animal phyla had diversified and inhabited the Earth's oceans approximately 518 million years ago. But even though chordates—the group that includes vertebrates like humans—were part of this early animal...
A vein-filled rock is catching the eye of the science team of NASA's Perseverance rover. Nicknamed "Cheyava Falls" by the team, the arrowhead-shaped rock contains fascinating traits that may bear on the question of whether Mars...
All modern life shares a robust, hardy, efficient system of intertwined chemicals that propagate themselves. This system must have emerged from a simpler, less...
A recent study from USC Dornsife has unveiled startling new insights into one of Earth’s most devastating mass extinction events.
The research not only deepens our understanding...
As astrophysics technology and research continue to advance, one question persists: is there life elsewhere in the universe? The Milky Way galaxy alone has...
Astronomers are working hard to understand biosignatures and how they indicate life's presence on an exoplanet. But each planet we encounter is a unique...
Scientists have discovered a simple and reliable test for signs of past or present life on other planets—"the holy grail of astrobiology."
In the journal Proceedings...
In the past few decades, several phenomena have led to excited speculation in the scientific community that they might indeed be indications that there...
In the past few decades, several phenomena have led to excited speculation in the scientific community that they might indeed be indications that there...
