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A time-lapse video of Mercury’s transition across the sun Monday, which lasted about seven hours.
Fish are unable to learn the scent of their predators in dying coral reefs, research reveals.
Authors of research on wolves in Wisconsin and Michigan say that government authorization of legal killing appears to also increase illegal killing.
Astronomers say the planets orbit stars in a patch of sky on the Cygnus-Lyra border where the NASA spacecraft has been cataloging them.
Physicists at NASA’s Solar Dynamics Observatory captured a time-lapse video using two instruments to filter the image of the sun and its rays as Mercury passed by it on Monday.
Astrotourism is taking hold in the Spanish territory, long a favorite of astronomers who have perched powerful telescopes on volcanic peaks.
Chile's southern coast has been hit by the biggest ever "red tide" in history. It's caused by toxic algae which is killing sea life and damaging the local fishing economy.
Nasa announces the discovery of more than 100 Earth-sized planets orbiting alien stars.
Five Pacific islands have disappeared as a result of rising sea levels in a first confirmation of the impact of climate change on coastlines, scientists say.
The EU's Sentinel-3a satellite offers a peek at what will be one of its most fundamental products - a map of sea surface height anomalies.
Cross-continental study reveals how camels' genetic diversity is shaped by ancient trade routes.
An American nonprofit is suing on behalf of 21 young plaintiffs, and a farmer in Peru sued a German energy utility over its part in causing global warming.
The Hallett Nature Sanctuary, a four-acre peninsula, had been mostly closed to the public since the 1930s, left to migrating birds and invasive plants.
Scientists have published their first global assessment of the state of the world's plants.
About a quarter of most people’s energy bills come from devices in idle mode. A reporter took a power meter around with her to locate the hidden power drains.
A new report looking at the state of the world's plants estimates that 390,900 species are known to science.
Nasa images capture Mercury transit the Sun, one of the few times it will do so this century.
The new guidelines clarify that under the city’s Human Rights Law, refusing drinks to mothers-to-be would be discrimination.
The Solar System's smallest planet has made one of its irregular passes between the Earth and Sun.
A man who sexually assaulted and stabbed a girl 32 years ago has been given a life sentence for her murder.