The first pulsar: Jocelyn Bell's persistence and a pattern in strange pulses
In 1967 Jocelyn Bell noticed an unusual trace in radio records. Follow-up checks revealed repeating celestial pulses and opened the st…
An explanation exists#0179
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.
Aristarchus, 1963: reports of red patches on the Moon
Two lunar cartographers reported temporary coloured areas. Their observations attracted detailed discussion, but the reported glow’s o…
Insufficient evidence#0109
Alphonsus, 1958: the spectrum linked to lunar activity
Nikolai Kozyrev reported a changing central peak and an unusual spectrum. The historical interpretation remains open to scrutiny.
Insufficient evidence#0107
The Wow! signal: one record and an open question
On 15 August 1977 a radio telescope recorded an unusual narrowband signal whose source remains unidentified.
Insufficient evidence#0099
Sudan: an asteroid predicted before impact
Observations in space were connected to a fireball and recovered meteorites.
An explanation exists#0082
Maunakea: a spiral after a rocket launch
A night-sky camera recorded an expanding luminous spiral.
An explanation exists#0080
Bering Sea: a fireball recorded from orbit
The aftermath of a powerful airburst was studied above a remote marine region.
An explanation exists#0078
Hessdalen: lights under instrumental observation
A winter campaign attempted to turn reports of lights into testable measurements.
Insufficient evidence#0072
Chelyabinsk: a fireball and a shock wave
A morning sky event documented by numerous recordings and satellite observations.
An explanation exists#0025