Bacteria Got an Early Fix on Nitrogen

A dwarf galaxy near the Milky Way may consist of more dark matter than regular matter.* Clara Moskowitz reports 

NASA has to deal with the unexpected financial consequences of robotic missions that just keep going. Lee Billings reports 

The oldest group of terrestrial worlds now known formed some 11.2 billion years ago, more than six billion years before our sun and planets. Clara Moskowitz reports 

The World's oldest sedimentary rocks reveal traces of our earliest ancestors. New analysis shows life forms existed more than 3.7 billion years ago which were very similar to those found in our deepest oceans today, microbial life around hydro thermal vents. Some pollution might ... Show More

This week our hosts are joined by guests Samuel and Becky to talk all things Nitrogen. We hear about how nitrogen seems to turn up everywhere - from pharmaceuticals, to explosives, to DNA! 

An international team has detected phosphine gas in the clouds above Venus. Naturally-produced phosphine on Earth is created by anaerobic bacteria. We’ll listen to portions of the media briefing at which this result was announced. Then we’ll get perspective on the find from the P ... Show More

<p>Astronomers&apos; newest telescope, JWST, just discovered galaxies that formed earlier than previously thought possible. What does this discovery mean for our understanding of the early universe?<br/><br/>To support our show and get ad-free episodes and other exclusives, join ... Show More

SpaceTime Series 27 Episode 130 *Epoch of Reionization: New Insights from Webb A groundbreaking study suggests the epoch of reionization, a pivotal era in the universe's early evolution, may have occurred 350 million years earlier than previously believed. Utilising data from the ... Show More

How water chemistry is shifting researchers' thoughts on where life might have arisen, and a new model to tackle climate change equitably and economically.In this episode:00:46 A shallow start to life on Earth?It’s long been thought that life on Earth first appeared in the oceans ... Show More

NASA scientist Dr. Sharmila Bhattacharya describes how space biology research can contribute to significant scientific and technological advancements that not only enable space exploration for future long duration space missions, but also benefits life on Earth. HWHAP Episode 31 ... Show More

The origin of all complex life has been traced back 1.6 billion years as new molecular fossil records have discovered the fatty stains that our ancient single celled ancestors have left behind. Jochen Brocks, Professor of Geobiology at Australian National University, discusses th ... Show More