Stories by Jeremy Hsu

In the era of mega constellations, spacecraft typically have less than a week to avoid crashes

Space-based computing offers easy access to solar power but presents its own environmental challenges

Economics may play a stronger role than fear in steering nuclear power toward a slow decline

New models used writing samples to predict the onset of the disease with 70 percent accuracy

Crowding, connections among communities and other factors seem to better explain infection and mortality rates

They aim for clarity amid confusion surrounding the outbreak

Mathematicians are devising new techniques to better predict how to tie strong knots that are useful in climbing and sailing

The MineRL competition encourages coders to devise programs that learn by example

The U.S. space mission aims to demonstrate technology that could someday help clean up space junk

A miniature gravitational wave detector under development would measure higher-frequency waves than LIGO

The soft wearable could prove useful for military applications, emergencies and medical rehabilitation

Cheaper, smaller satellites could help more precisely sniff out sources of methane

A new program outperforms professionals in six-player games. Could business, political or military applications come next?

The materials used in iPhones and Tesla cars need not become a long-term casualty of a U.S.-China trade war

They will have to overcome the challenges of America’s convenient single-stream recycling system

Racial and ethnic minorities have less access to solar power, regardless of income, highlighting the need for environmental justice

As automated delivery ramps up, cities must decide how to make the best use of public spaces

Quadcopters with thermal imagery cameras can help detect vicious mini-mines that often kill or maim children

Energy economists say the new home requirement is inefficient and benefits wealthier people; supporters say it’s just one piece of the puzzle

U.S. government funding is needed to sustain the arduous journey toward a practical quantum computer, experts say

Lack of interest, training and pay may limit the supply

Japanese and U.S. missions could yield new discoveries about the origins of life on Earth

The mission is one of two currently seeking to retrieve samples from asteroids; the other is the U.S. spacecraft OSIRIS-REx

The second data set from Europe’s Gaia mission could provide clues to the galaxy’s past and future