Extraterrestrial Life Archives | Articles | Astronomy Trek

Are We Alone? Some Scientists Certainly Think So.

James Miller — Mon, 15 Aug 2022 19:27:34 +0000

Life on Earth is plentiful and nearly all-encompassing to the point where it is hard to truly imagine what a ‘lifeless’ area would look like. Nevertheless, we have only to look away from the Earth ...

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Oumuamua, Alien Visitors and Occam’s Razor

James Miller — Sat, 06 Mar 2021 10:05:14 +0000

Asteroids are a common objects in our solar system. Most of them originate from the asteroid belt between Mars and Jupiter, followed by the ones that come from the distant Oort cloud that encircles us ...

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Panspermia Theory and the Origins of Life On Earth

James Miller — Tue, 26 Feb 2019 10:40:48 +0000

Perhaps the greatest mystery of modern science is how did life emerge on Earth? There are theories now that suggest life itself is foreign in origin, coming from somewhere else in our galaxy. At first, ...

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Can Tardigrades Survive in Open Space?

James Miller — Mon, 25 Feb 2019 13:06:40 +0000

Are we alone in the universe? This is perhaps the greatest unanswered question in astronomy right now. So far we have sent probes in search of life and have found nothing. Sure there is still ...

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Oumuamua: Asteroid, Comet or Alien Probe?

James Miller — Tue, 05 Feb 2019 12:09:59 +0000

One just has to watch television shows such as The History Channel and the Sci-Fi Channel to see so-called experts like Giorgio A. Tsoukalos promoting belief in UFOs and ancient alien astronauts. It comes as ...

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Barnard’s Star Hosts a Frozen Super-Earth

James Miller — Fri, 07 Dec 2018 16:40:24 +0000

The image above shows an artists’ impression of what the surface of the super-Earth orbiting Barnard’s Star might look like. However, given that the planet receives only about 2% of the light Earth receives from ...

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Megawatt-Class Laser Beamed into Space Could Attract Alien Attention

James Miller — Sat, 17 Nov 2018 11:23:32 +0000

The image above shows a focused laser beam shooing into space from Earth, which some researchers hope might attract the attention of alien astronomers. According to a new study by James Clark and Kerri Cahoy, ...

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Has Substantial Evidence Of Extant Microbial Life On Mars Been Found?

James Miller — Tue, 04 Sep 2018 15:17:43 +0000

Although the consensus among planetary scientists and biologists is that the existence of life on Mars, both present and past has not been proven, one investigator, who was the lead scientist during the Viking 2 ...

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Why We May Not Want To Visit Some Exoplanets

James Miller — Sat, 02 Jun 2018 09:26:52 +0000

The image above shows an artists’ impression of the exoplanet Kepler-452b, the first exoplanet that was found to orbit a Sun-like star. Dubbed a super-Earth, the planet is about 60% bigger than Earth, which is ...

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Earth’s Water Supply Survived Moon-Forming Impact

James Miller — Tue, 01 May 2018 16:41:28 +0000

The image above shows an artist’s impression of the impact between Earth and a Mars-sized object in an event that is widely accepted as the mechanism that formed Earth’s Moon only about 100 million years ...

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