There's a new epidemic, this time among birds. An illness is infecting them in the US capital ― and it's spreading. Experts say the cause is unknown.

Researchers have developed a tool to assess wildlife markets for risks of zoonotic outbreaks. It can help governments decide on courses of action, with strict veterinary requirements potentially more effective than bans.

Scientists at German universities are speaking out against precarious working conditions. Job insecurity and a lack of support are also problems at universities in other countries.

Scientists in Germany believe they may have worked out a way to prevent vector-based vaccines from causing rare blood clots.

A research team that set sail for the Arctic has warned that the tipping point for irreversible global warming may have already been triggered.

Lake Constance forms a natural border between Germany, Austria and Switzerland - and its ecosystem is changing. Newly arrived aggressive residents include spiny-cheek crayfish, zebra mussels and killer shrimp. Will they displace native species?

A task force will share data it collected on unusual flight phenomena with Congress. UFO enthusiasts rejoice. But a German expert with decades of research under his belt doesn't believe aliens have ever been to Earth.

Hundreds of bits of rocket, space stations and satellites have returned to Earth since the 1960s. They are often dumped at sea. How sustainable is that?

American geneticist Chris Mason says we have a moral duty to preserve life in all its forms. He proposes a 500-year plan to hack life and survive on Mars.

It's impossible to predict when and where China's Long March 5 rocket, a CZ-5B, will crash down to Earth. But it will. The question is: What's the risk?

Brazil has halted approval of Sputnik V, saying that a vector virus in the vaccine was not inactive and could cause severe colds. Russia has denied the accusation.

In the UK and the US, white people are being vaccinated more quickly than others. It might well be the same in Germany ― but statistics based on ethnicity are not collected here. Is it time to close the data gap?

Results from a long-term study of 8001 people suggest disrupted sleep is linked to cardiovascular disease and mortality - in women more than men.

A steroid commonly used in asthma inhalers has the potential to prevent severe COVID-19 symptoms. It could treat the illness early on and help to reduce pressure on hospitals.

The authors of a book marking the 150th anniversary of Charles Darwin's "Descent of Man" discuss "a most interesting problem" - namely how the naturalist's fundamental misconceptions on sex and race still shape society.

For the first time, archaeologists have excavated an entire thermopolium - a hot food and wine shop that served up the ancient equivalent of street food. The frescoed shop gives a rare insight into Greco-Roman life.

The mass killing of Danish minks shines a spotlight on a highly dubious industry. It also shows how little we value the lives and deaths of so-called farm animals.