While President Donald Trump and his fellow Republicans have long decried illegal immigration and proposed remedies like the wall and mass deportations, they have traditionally favored the legal kind, partly because their business...

These stories from The Conversation archive explore where racism came from and why it persists.

1. Going back to Europe

American University historian Ibram Kendi has traced the history of racist ideas in the U.S. back to the European...

Will we someday colonize space? Will our children visit other planets? To achieve goals like these, we’ll need to crack one crucial challenge: how to feed ourselves for long periods away from Earth.

A trip to Mars would take months, and exploring the depths of the...

This year marks the 50th anniversary of the “Summer of Love.” Popular culture remembers the tens of thousands of joyous young hippies that descended upon San Francisco’s Haight-Ashbury district to celebrate personal expression, drug...

In the last few weeks, hurricanes Harvey, Irma and Katia have cut paths of destruction in the Caribbean, Mexico and the U.S.

While recovery and reconstruction will be an immense effort in Houston and Miami, it will likely be slower in poorer and smaller countries outside the U.S. There, many people suffering from the aftermath of these storms may...

As the U.S. military increases its use of drones in surveillance and combat overseas, the danger posed by a threat back at home grows. Many drone flights are piloted by soldiers located in the U.S., even when the drones are...

The ghosts of the Vietnam War no doubt hovered over a recently assembled conclave of President Donald Trump’s advisers as they deliberated over the deteriorating situation in Afghanistan.

In the Vietnam era, as...

When Americans think of being at war, they might think of images of their fellow citizens suffering.

We count the dead and wounded. We follow veterans on their difficult journey of recovery from physical injuries and post-traumatic stress. We watch...

President Trump and his appointees have pledged to end what they call the “war on coal” – policies designed to reduce the health and environmental impacts from producing and burning coal, such as toxic air pollution and mine waste disposal in streams...

When Americans think of being at war, they might think of images of their fellow citizens suffering.

We count the dead and wounded. We follow veterans on their difficult journey of recovery from physical injuries and post-traumatic stress. We watch...