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Editors of EarthSky

More evidence that comets could have seeded life on Earth

A new experiment simulating conditions in deep space reveals that the complex building blocks of life could have been created on icy interplanetary dust and then carried to Earth, jump-starting life.

Waves generated by Russian meteor recorded crossing the U.S.

Network of stations with seismometers and air pressure sensors detected the blast waves.

Mental picture of others can be seen using fMRI, says study

It is now possible to tell who a person is thinking about by analyzing images of their brain, using advanced imaging techniques, according to a new study.

Cassini spies Venus from Saturn’s orbit

A distant world gleaming in sunlight, Earth's twin planet, Venus, shines like a bright beacon in images taken by NASA's Cassini spacecraft in orbit around Saturn.

Creating new tissue instead of transplanting hearts

Substances have been developed which allow scientists to create fully functional heart cells.

Pregnancy permanently changes foot size

A new study of women's feet during and after pregnancy shows that arch height and arch rigidity decrease significantly from early pregnancy to five months after childbirth, causing corresponding increases in foot length that appear to be permanent.

NASA’s Van Allen Probes reveal a new radiation belt around Earth

NASA's Van Allen Probes mission has discovered a previously unknown third radiation belt around Earth, revealing the existence of unexpected structures and processes within these hazardous regions of space.

The birth of a giant planet?

Candidate protoplanet spotted inside its stellar womb.

Novel wireless brain sensor unveiled

Engineers have developed a novel wireless, broadband, rechargeable, fully implantable brain sensor that has performed well in animal models for more than a year.

NuSTAR helps solve riddle of black hole spin

An international team of scientists has definitively measured the spin rate of a supermassive black hole for the first time.