Tag Archives: extraterrestrial intelligence

Oxygen, Alien Life

Posted on February 23, 2018 by Brian H. Gill

We haven’t found extraterrestrial life. But we’re still finding planets circling other stars. Thousands of them. Some of those planets couldn’t possibly support life as we know it. But some might. Atomic oxygen may be a good biosignature: evidence of … Continue reading →

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Alien Life: Notions and Research

Posted on January 5, 2018 by Brian H. Gill

Scientists have been discussing alien life for some time: where it could be, what it might be like, and how we could find it. Quite a few non-scientists have been talking about the same thing. Some have pretty good grip … Continue reading →

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Still Seeking Earth 2.0

Posted on December 1, 2017 by Brian H. Gill

We’ve known about 55 Cancri e since 2004. It may have lakes and rivers of lava. But that’s probably not what keeps its night side hot enough to melt copper. Ross 128 b, discovered this year, is a bit more … Continue reading →

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Visitor from the Stars

Posted on November 24, 2017 by Brian H. Gill

Scientists thought ‘Oumuamua was a comet when they spotted it last month. Follow-up observations showed it was more like an asteroid: and going too fast to be from the solar system. ‘Oumuamua is from interstellar space. It’s the first object … Continue reading →

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