Tag Archives: extraterrestrial intelligence

ʻOumuamua: Data, Questions

ʻOumuamua, the first interstellar object observed passing through the Solar System, is in the news again. Scientists have been studying what little we know about the object. Quite a few have published their results. Two Harvard scientists looked at the … Continue reading

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Oxygen, Alien Life

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

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

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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