Oumuamua: an interstellar visitor and the limits of interpretation
The first recognized interstellar object showed unusual brightness variations and slight non-gravitational acceleration, prompting deb…
Under review#0321
OPEN ARCHIVE
Observations
Documented events, historical claims and public reports. Event dates and review status are listed separately; unidentified does not mean extraterrestrial.
Event year, not the article publication date.
Results: 138View on the map ◎
Peekskill: the meteorite that struck a car
Amateur cameras captured the fireball, while a surviving stone pierced a parked car's trunk and became a museum specimen.
An explanation exists#0319
Allende: a fireball and ancient grains
A shower of stones brought scientists and local residents to a large strewn field and supplied material for studying the early Solar S…
An explanation exists#0317
Devil's Kettle: where half a river goes
Two flow measurements showed that water disappearing into a rock pothole returns to the river below the falls.
An explanation exists#0315
Dallol: colored brines at the limits of life
Acidic saline springs became a testing ground for deciding which shapes and genetic signals genuinely indicate life.
An explanation exists#0313
Morning Glory: the wave that gliders ride
Long roll clouds reveal atmospheric waves studied by meteorologists and used by glider pilots.
An explanation exists#0311
Sprites: an accidental recording above a storm
A low-light camera test turned accounts of flashes above thunderstorms into a reproducible field of atmospheric science.
An explanation exists#0309
Ivory-billed woodpecker: the disputed Arkansas return
Brief footage and encounters in flooded forest led to a rediscovery claim, but the bird's identification remained disputed.
Under review#0307
Thylacine: the final films and recovered 21 seconds
An archival release in 2020 moved the latest known film of a living thylacine from 1933 to 1935.
An explanation exists#0305