explainer Biology
How long do rabbits live? Pet and wild rabbit lifespan compared
Pet rabbits can live 8 to 12 years with good care, but in English vet records the median age at death was 4.3 years. Most wild rabbits die within a…
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Latest science stories
Browse SciQuest reporting and explainers in reverse chronological order, with the newest evidence-led stories first.
news Anthropology Evidence status: Peer reviewed · Archaeological chemistry
Ancient cannabis use: 2,800-year-old Siberian tomb hair holds earliest dated sign
Hair from a Scythian tomb in Siberia holds a THC breakdown product beside cannabis seeds from 2,800 years ago. What it shows, and why a toxicologist doubts it.
news Astronomy Evidence status: Peer reviewed · Orbital observations
Hydrogen chloride over Mars’s Alba Mons hints at magma, but volcanism is unconfirmed
ExoMars TGO found hydrogen chloride over Alba Mons in the cold season, above fresh fissures. It may be magma seeping out, but no eruption has been seen.
explainer Biology
How long do flies live? House fly lifespan, life cycle and temperature
How long do flies live? Adult house flies live about 10 days to two months after 1 to 2 weeks as egg, maggot and pupa. See the life cycle and…
news Astronomy Evidence status: Official announcement
NASA’s Swift observatory re-enters atmosphere over Sumatra after nearly 22 years
NASA's Swift observatory re-entered over North Sumatra on 4 Nov 2026 after almost 22 years. Why drag won, what Swift found, and what is unknown about debris.
news Anthropology Evidence status: Peer reviewed · Descriptive site study
280 Ice Age engravings found in a Catalan show cave, none dated yet
An Antiquity paper describes 280 Ice Age engravings, 55 of them animals, in Catalonia's Cova de la Font Major. The 26,000-year figure is not their date.
explainer Earth
How heavy is the Earth? About 5.97 × 10²⁴ kg, and how we know
Earth's mass is about 5.972 × 10²⁴ kg (13.2 septillion lb). See how scientists calculate it from orbits and G, why G limits precision, and the maths.
news Astronomy Evidence status: Peer reviewed · Method paper
New starlight-removal method recovers known planet 51 Eridani b in JWST data
A Nature study's FLIP software recovered the known planet 51 Eridani b in JWST data at 4.3 microns and beat standard processing 2 to 15 times. No new planet.
news Biology Evidence status: Peer reviewed; phylogenetic modelling with imputed traits
Migratory hooved mammals had higher extinction rates, study finds, but fossils drive the result
A PLOS Biology study finds 80% of 51 recently extinct hooved mammals were likely migratory, versus 46% of living ones, but the model result depends on fossils.