Interview: It’s time to rethink the Milky Way

The Milky Way might be right on our cosmic doorstep, but a group of astronomers suspect that the way we currently study it is stunting our understanding. Professor Ralf Klessen at Heidelberg University in Germany is one of four researchers who have recently begun a six-year project, ECOGAL, to try something new: imagine our home …

Search for life beyond Earth: SETI Institute CEO’s AMA session

On June 25, Friday, SETI Institute CEO Bill Diamond held an AMA (Ask Me Anything) on the popular social news aggregation and web content rating website Reddit. Here are some interesting questions and Bill Diamond’s answer to them.

Top 20 Exciting Advances in Space Science in the 2010s

Today is the last day of the 2010s – and what a decade it has been for space science and space exploration! Here is a timeline of the top 20 major (and exciting!) advances in space science in the 2010s.

Evolution tells us we might be the only intelligent life in the universe

Are we alone in the universe? It comes down to whether intelligence is a probable outcome of natural selection or an improbable fluke. By definition, probable events occur frequently, improbable events occur rarely – or once. Our evolutionary history shows that many key adaptations – not just intelligence, but complex animals, complex cells, photosynthesis, and …

NASA has published the amazing map of 4,000 exoplanets

Even as late as 1991, we had no hard evidence of planets existing outside our solar system (a centuries-old quest), known as “exoplanets”. Today, over 4000 exoplanets are known to exist. NASA has published an amazing video map showing them in the Milky Way galaxy on the Astronomy Picture of the Day website.

How Earth Could Die – 12 Horrible Ways

Now we’re living on a warm, hospitable planet. As Carl Sagan has said “That’s home. That’s us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives.” We, humans, are the unquestionable rulers of our little oasis in a hostile universe. But …

8 Things that make Life on Earth Possible

Earth, our blue planet is a tiny oasis in the vast, cold, and dark space. It is the only planet we know of that can support life. The fossil record tells us that life on Earth has lasted at least 3.5 billion years (the Earth is about 4.54 billion years old), with the oldest physical …