As antimicrobial resistance threatens medical progress, doctors like Sylvia Omulo are looking for clues to help us heal.

As antimicrobial resistance threatens medical progress, doctors like Sylvia Omulo are looking for clues to help us heal.

It will be the first-ever spacewalk on a private mission. But does the US bear no responsibility for SpaceX’s ambitions?

From Star Trek to PET scans, antimatter has thrilled and worried humankind. Now, scientists have resolved a key mystery

Powerful new tools could turbocharge gene replacement therapies, but questions over ethics, safety and costs remain.

These terrifying events raise many questions; here are some answers.

For space enthusiasts the world over, astrophotography is a hobby, an art, a science – and sometimes an obsession.

Scientists and doctors from around the world explain.
![A medical worker holds a test tube after administering a nasal swab to a patient at a coronavirus testing centre in Gravelines, France on February 16, 2021 [Pascal Rossignol/Reuters]](https://www.aljazeera.com/wp-content/uploads/2021/02/2021-02-16T134736Z_901981155_RC2PTL9Q8I80_RTRMADP_3_HEALTH-CORONAVIRUS-FRANCE-VARIANT.jpg?resize=270%2C180&quality=80)
Beyond COVID-19, research by African scientists in 2020 made gains in helping understand diseases that affect millions.
![Samuel Diala, manager of the repository of biological samples at the University of Ibadan, Nigeria, measures DNA samples [Photo courtesy of Dr Rufus Akinyemi]](https://www.aljazeera.com/wp-content/uploads/2021/01/96450456-565f-4ee1-92fc-36d9a4e19e34.jpg?resize=270%2C180&quality=80)
Ahead of a hearing on the constitutionality of the Affordable Care Act, we look at what it could mean for Americans.
![In a 2017 photo, a protester dressed as the grim reaper stands outside the Senate Finance Committee hearing room ahead of a hearing on an effort to repeal Obamacare [File: Reuters]](https://www.aljazeera.com/wp-content/uploads/2020/11/grim1.jpg?resize=270%2C180&quality=80)
Otherwise healthy young patients are falling seriously ill with largely unknown PMIS, which seems to follow COVID-19.
