explainer Space
Gravity on Venus: how strong is it compared with Earth?
Gravity on Venus is 8.87 m/s², about 90% of Earth's. See the NASA values, the GM/R² calculation, what you would weigh, and why Venus is still deadly.
explainer Space
Gravity on Venus is 8.87 m/s², about 90% of Earth's. See the NASA values, the GM/R² calculation, what you would weigh, and why Venus is still deadly.
Discover
Choose the kind of evidence you want to read. Labels describe the study type, not whether a finding is true.
Planets, moons, stars and black holes, with the mission data behind each number.
explainer Astronomy
news Astronomy Evidence status: Peer reviewed · Observational study of one planet
explainer Astronomy
Explainer Space
News Astronomy Evidence status: Peer reviewed · Telescope observations
News Astronomy Evidence status: Peer reviewed · Observational study with forward modelling
News Physics Evidence status: Preprint · Single anomalous event
News Astronomy Evidence status: Peer reviewed · Model-based geophysical inference
No stories of this evidence type in this field yet.
Gravity, quantum behaviour and fundamental forces, with the calculations shown.
explainer Physics
news Physics Evidence status: Peer reviewed · Laboratory experiment
explainer Physics
Explainer Space
News Physics Evidence status: Peer reviewed · Quantum interferometry experiment
News Chemistry Evidence status: Peer reviewed · Laboratory materials study
News Chemistry Evidence status: Peer reviewed · Ultrafast spectroscopy and model-based reconstruction
News Physics Evidence status: Preprint · Single anomalous event
No stories of this evidence type in this field yet.
Genes, evolution and living systems, with study design and sample sizes made clear.
news Biology Evidence status: Peer reviewed · Meta-analysis of published fossil records
news Biology Evidence status: Peer reviewed · Single fossil specimen
news Biology Evidence status: Peer reviewed · Genomics study (embryos and tissues)
news Biology Evidence status: Peer reviewed; observational study of pet dogs
news Biology Evidence status: Mouse study · Peer reviewed
News Biology Evidence status: Peer reviewed · Genome-wide association study
News Biology Evidence status: Peer reviewed · Mouse study
News Biology Evidence status: Peer reviewed · Human genetic association study
No stories of this evidence type in this field yet.
Medical research read carefully: mouse, cell and human evidence kept distinct.
news Biology Evidence status: Mouse study · Peer reviewed
News Biology Evidence status: Peer reviewed · Mouse study
News Biology Evidence status: Peer reviewed · Human genetic association study
News AI Evidence status: Peer reviewed · Cross-sectional study
News Biology Evidence status: Peer reviewed · Laboratory and genomic study
News Biology Evidence status: Peer reviewed · Cell and tissue imaging study
News Biology
News Biology
No stories of this evidence type in this field yet.
Climate, geology and oceans, traced back to measurements and official records.
news Biology Evidence status: Peer reviewed · Meta-analysis of published fossil records
news Earth Evidence status: Peer reviewed · Modelling study
Explainer History
Explainer Earth
Explainer Earth
Explainer Earth
Explainer Earth
Explainer Earth
No stories of this evidence type in this field yet.
Selected reading
Clear explanations of what scientists found, how they know and what remains uncertain.

news Astronomy Evidence status: Peer reviewed · Observational study of one planet
JWST mapped hot Jupiter WASP-17b's atmosphere angle by angle: the evening edge is about 650 K hotter and puffier than the morning edge. How, and the…

news Anthropology Evidence status: Peer reviewed · Archaeological site study
Rock moulds at Spain's Abric Romaní preserve 13 wooden objects Neanderthals made or used, including a 2.45 m spear and a possible club. Here's what's uncertain.

explainer Physics
A click (klick) is military slang for one kilometre: 1,000 m, about 0.62 miles. See conversions, why 1 km Army map grids made it useful, and…
How SciQuest reports
Our editorial standard requires every substantive story to identify what was observed, how it was measured, what researchers infer and what remains uncertain.
Read our editorial standardsStart with the paper, dataset, mission record or official technical source.
Check the method, numbers, scope, uncertainty and alternative explanations.
Make the significance clear while preserving limits and scientific context.
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Durable answers with the numbers, the method and the caveats in one place.
explainer Physics
An atomic clock steers an oscillator to caesium-133 atoms and counts 9,192,631,770 cycles per second. How it works, how accurate it is…
explainer Astronomy
How long does it take to get to Mars? About 7 to 10 months. See NASA mission travel times, the Hohmann transfer…
Explainer Space
Surface gravity ranges from 0.62 m/s² on Pluto to 25.9 m/s² on Jupiter. See NASA values for every planet and major moon,…
Explainer Physics
The ability of a quantum system to exist in multiple states simultaneously until it is measured is called quantum superposition. All wave…