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
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.
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
Catatumbo lightning: Maracaibo’s night rhythm
Recurrent nocturnal storms make Maracaibo a principal global lightning hotspot; this is a climatic pattern rather than a single encoun…
An explanation exists#0301
Kerala’s red rain
Residents collected red water containing settling particles; cultures linked them to terrestrial algae rather than established extrate…
An explanation exists#0299
Lake Monoun: an invisible gas wave
A crater-lake gas release killed 37 people and helped reveal the hazard of carbon dioxide accumulated in deep water.
An explanation exists#0297
Racetrack Playa: the stones finally move on camera
Tracks across a dry lakebed were explained through observations of thin ice and wind.
An explanation exists#0277
Blood Falls: brine inside a cold glacier
Red stains mark the discharge of iron-rich salty water; radar helped trace its hidden route.
An explanation exists#0275