Phosphine
Explanation
The Joke
A scientist announces that they have discovered a possible signature for life on Venus -- specifically phosphine gas. Another person snickers ("SNRK!"), and when asked what is funny, they reveal what they are titling the press release: "Scientists Discover Venereal Life!" with a subheading noting it "may also be linked to extreme hotness." The word "venereal" technically means "of or relating to Venus," but in modern English it is almost exclusively associated with sexually transmitted diseases (as in "venereal disease").
The Humor
The comic is a timely reaction to the real September 2020 announcement that phosphine gas had been detected in Venus's atmosphere, which generated excitement as a potential biosignature for extraterrestrial life. The joke hinges on the double meaning of "venereal" -- while it legitimately means "relating to Venus," its overwhelmingly more common modern usage refers to STDs. The subheading about "extreme hotness" adds another layer, as it could refer to Venus's surface temperature (around 460 degrees Celsius) or be read as a suggestive comment. The scientist's gleeful expression while presenting this deliberately misleading headline captures the joy of finding an irresistible pun in serious scientific news.
References
In September 2020, a team led by Jane Greaves published a paper in Nature Astronomy reporting the detection of phosphine (PH3) in Venus's atmosphere. Phosphine was considered a potential biosignature because, on Earth, it is primarily produced by anaerobic biological processes. The finding generated significant excitement but was later contested by other researchers who questioned the data analysis and suggested the signal may have been misidentified.