Browsing Tag
astrobiology
20 posts
Could aliens ever visit Earth? An aerospace scientist unpacks the challenges of interstellar spaceflight
Kai James, Georgia Institute of Technology On May 22, 2026, the Pentagon released a second batch of previously…
Scientists used a method from ecology to identify whether icy moons could hold conditions for life
Gideon Yoffe, Weizmann Institute of Science New observatories and spacecraft missions are probing environments in our solar system…
Are aliens real? Scientists have been hunting for extraterrestrial life since the time of Aristotle
Robert William Smith, University of Alberta Do aliens exist? Could Earth really be the only planet hosting intelligent…
All 5 fundamental units of life’s genetic code were just discovered in an asteroid sample
Ryugu sample in its return capsule. JAXA Kliti Grice, Curtin University A new study reveals all five fundamental…
How the ocean’s hydrothermal systems made the first life on Earth possible
A black smoker hydrothermal vent at a water depth of 3,300 meters in the Logatchev Hydrothermal Field on…
Are there thunderstorms on Mars? A planetary scientist explains the red planet’s dry, dusty storms
Mars doesn’t get rain like Earth does, but dust storms are common on the red planet. NASA/JPL-Caltech/Univ. of…
Are we the Martians? The intriguing idea that life on Earth began on the red planet
Seán Jordan, Dublin City University How did life begin on Earth? While scientists have theories, they don’t yet…
Beyond the habitable zone: Exoplanet atmospheres are the next clue to finding life on planets orbiting distant stars
Some exoplanets, like the one shown in this illustration, may have atmospheres that could make them potentially suitable…
Could life exist on Mars today? Here’s what the latest evidence says
Part of the ancient lake delta in Jezero Crater on Mars. JPL-Caltech Seán Jordan, Dublin City University and…
Biosphere 2’s latest mission: Learning how life first emerged on Earth – and how to make barren worlds habitable
Biosphere 2 is a research facility located near Tucson, Ariz. Katja Schulz/Flickr, CC BY Scott Saleska, University of…