Study offers new look at brain’s nonstop updates

Joseph Dunsmoor, a postdoctoral fellow in cognitive neuroscience at New York University, led the team of researchers who conducted the memory study.

Joshua Bright/New York Times

The surge of emotion that makes memories of embarrassment, triumph, and disappointment so vivid can also reach back in time, a study has found.

The edge of Folsom Lake near Folsom, Calif., during a drought in October.

Even without El Niño, 2014 was hottest year on record

The announcement underscored warnings about the risks of runaway emissions and undermined claims by climate-change contrarians.

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Astronomers find solar system more than double ours in age

A newly discovered solar system — with five small rocky planets — makes ours look like a baby.

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More tips on banishing woodchucks — and moles

R. Wayne Mezitt answers your questions about plants, design, function, and more.

Scientists advance doomsday clock

Atomic Scientists say Earth is now closer to human-caused doomsday than it has been in more than 30 years because of global warming and nuclear weaponry.

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//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/01/23/BostonGlobe.com/Ideas/Images/mental200-576.jpg The promise and limits of ‘mental health first aid’

New programs are training laypeople to deal with psychological emergencies — but how much do they actually help those in crisis?

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A live stream of Instagram posts from The Boston Globe photo department.