Did Earth’s Multicellular Life Depend on Plate Tectonics?

How did complex life emerge and evolve on the Earth and what does this mean for finding life beyond Earth?…

1 week ago

Purple Bacteria — Not Green Plants — Might Be the Strongest Indication of Life

Astrobiologists continue to work towards determining which biosignatures might be best to look for when searching for life on other…

1 month ago

How Did Life Get Started on Earth? Atmospheric Haze Might Have Been the Key

A recent study accepted to The Planetary Science Journal investigates how the organic hazes that existed on Earth between the…

4 months ago

Astrobiology: Why study it? How to study it? What are the challenges?

Universe Today has proudly examined the importance of studying impact craters, planetary surfaces, and exoplanets, and what they can teach…

4 months ago

NASA Selects New Technology to Help Search for Life on Mars

The day when human beings finally set foot on Mars is rapidly approaching. Right now, NASA, the China National Space…

4 months ago

Europa Clipper Could Help Discover if Jupiter's Moon is Habitable

Since 1979, when the Voyager probes flew past Jupiter and its system of moons, scientists have speculated about the possibility…

6 months ago

If Earth is Average, We Should Find Extraterrestrial Life Within 60 Light-Years

A new study estimates that there could be 11,000 habitable planets within 100 parsecs of our Sun, the nearest being…

8 months ago

The Most Compelling Places to Search for Life Will Look Like “Anomalies”

A new study considers how future astrobiology studies could search for life "as we don't know it" on exoplanets.

9 months ago

The 2nd Annual Penn State SETI Symposium and the Search for Technosignatures!

This year's Penn State SETI Symposium provided a good rundown of the field and the kinds of studies scientists will…

9 months ago

How Will We the Find First Signs of Alien Life — and When?

When will we find evidence for life beyond Earth? And where will that evidence be found? University of Arizona astronomer Chris…

10 months ago