half-life
"Evidence". There's no special term to distinguish evidence supporting one theory in science from evidence supporting any other theory in science.
Any life form is worth preserving. The older you get the more you will agree.
interphase
There are not two contradictory " models " that explain the origin of life. There are scientific hypotheses that are being tested and, some, yielding results that are suggestive and then there is religious myths of many types without any evidence in support of them
It would be called xenobiology if any such life forms existed (and they may, but).
Any evidence of ancient life is called a fossil.
Fossilised ancient life-forms. There are even fossilsed bacteria from 30 billion years ago.
The remains of any previous living object is called "fossil." Fossils can be bones, shells, imprints, or any other preserved evidence of ancient life.
A fossil is any evidence of ancient life as recorded in rock, including feces, teeth, digestive stones, nests, eggs, bones, tracks, and burrows. ~ fossils provide evidence of the activities of ancient organisms.
A fossil is any evidence of an organism preserved in rock.
Fossils can be made of any material that deteriorates slower than the sediment that forms the fossil hardens
Fossils can be made of any material that deteriorates slower than the sediment that forms the fossil hardens
A fossil is any evidence of ancient life as recorded in rock, including feces, teeth, digestive stones, nests, eggs, bones, tracks, and burrows. ~ fossils provide evidence of the activities of ancient organisms.
At this time we have no evidence of any extraterrestrial life.
There is no such evidence. While it seems likely that, given that life appeared on Earth, it may also have appeared elsewhere, there is no actual evidence that makes it even likely that life DID appear in any specific place.
Life forms from Venus would be called Venusians. Life forms from Mars would be called Martians. In any respect, however, there is no evidence, nor scientific support of life on either Venus or Mars.
There is no written evidence that the Ancient Hebrews knew about any planets other than Earth.