Hubble peers at the heart of NGC 5793

This new Hubble image is centered on NGC 5793, a spiral galaxy over 150 million light-years away in the constellation of Libra.

Spitzer stares into the heart of new supernova in M82

The closest supernova of its kind to be observed in the last few decades has sparked a global observing campaign involving legions of instruments on the ground and in space, including NASA's Spitzer Space Telescope. With its dust-piercing infrared vision, Spitzer brings an important perspective to this effort by peering directly into the heart of the aftermath of the stellar explosion.

Artificial jellyfish engineered from rat heart cells

Scientists have created a free-swimming 'jellyfish' out of silicone seeded with living heart muscle cells.

Beating heart muscle created from heart patients' skin

Scientists have for the first time been able to take skin cells from heart patients and turn them into healthy heart muscle cells that can integrate with existing heart tissue.

Scientists turn scar tissue into beating heart muscle

Scientists have successfully transformed the sort of scar tissue caused by heart attacks into living, beating heart muscle.

Heart drug makes people less racist

A widely used drug for heart disease appears to affect a person's subconscious levels of racism, a team of ethicists, psychiatrists and psychologists has found.

Cellphone monitors vital signs

A researcher has developed a heart monitoring smartphone app that he says is as accurate as standard medical monitors now in clinical use.

Mammoth blood proteins could be used in major surgery

The blood from woolly mammoths is helping scientists develop new blood products for medical procedures such as heart and brain surgery.

Chocolate makes for a healthy heart

Scoffing large amounts of chocolate could cut the risk of heart disease by a third, new research suggests.

Wireless power cuts cord for heart pump patients

Researchers at the University of Washington and the University of Pittsburgh Medical Center have developed a way of powering heart pumps wirelessly.

Cosmic radiation damages astronauts' hearts

Long-distance space travel could harm astronauts' arteries, say University of Alabama at Birmingham researchers.

Team shows newborn heart muscle can grow back by itself

Researchers at UT Southwestern Medical Center have discovered that the mammalian newborn heart can grow back when damaged, just as a lizard can grow a new tail.

Engineer saves own life with home-made heart implant

A British engineer is now walking around with a life-saving heart implant - that he designed and built himself.

TV and PCs highly harmful to heart health

Four hours' screen time a day more than doubles the risk of a heart attack, according to scientists at University College London.

Cardiac care goes wireless

Doctors may soon be able to remotely monitor cardiac activity by simply implanting a micro-electromechanical sensor in post-surgery heart patients.

Healthcare goes wireless

A growing number of consumers and physicians are expressing interest in the concept of tracking vital health signs with mobile devices.

Can a video game speak to the heart?

Peter Molyneux, the creative force behind the Fable series and the seminal god game Populous gave an emotive panel at SXSW on Sunday entitled "The Emotion Engine: Can a Video Game Speak to the Heart?"