Las tormentas grandes que traen mucha lluvia pueden restaurar el balance natural entre los peces nativos y las especies importadas, según informa un nuevo estudio del Caribe.
Investigations often damage the president's approval rating, particularly if the inquiry drags on for a long time. But that may not matter to a historically unpopular president like Trump.
The gunmaker's move to stop selling AR-15s to civilians is not a response to concerns about gun control. Instead it's a reflection of how prevalent the AR-15 and comparable weapons are in the US.
The US is violating its own law governing treatment of refugees.
Citing national security, Ecuador, Peru and Chile have all made it harder for Venezuelan migrants to enter the country, and xenophobia is rising across the region – even in more welcoming Colombia.
The U.S. under Trump is no longer seen as the enemy by Europe's New Right, who are the ideological descendants of the original fascists. With Trump's rise, they have a new hero in an unexpected place.
Data show that the US intervenes more in other countries' affairs than it did in the past. It also currently hires fewer career professionals for ambassadorial or foreign affairs positions.
President Trump solicited foreign help for his presidential campaign. So did presidential candidate Richard Nixon. The difference, writes scholar Ken Hughes, is that Nixon was more skilled at it.
The upcoming Supreme Court session will address notable cases about the rights of different groups. The cases go to the heart of how U.S. laws protect both individual and group rights.
Why do TV news shows book interviews with people who lie or obfuscate? Dogged interviewer Mike Wallace was an example of how to do it right. But on live TV, it's almost impossible to do what he did.
The fallout for President Trump from his conversation with Ukrainian President Zelenskiy was swift and harsh. The consequences for Zelenskiy and his country could also be serious.
A quirk of mathematics gives voters in some small states, like Rhode Island and Nebraska, an extra edge over voters in other states. This happens not only in the US, but in other countries, too.
A little-known provision of the Constitution might allow Trump to be reelected president in 2020 even if he is removed from office through the impeachment process.
In many instances, whistleblowers find the abusive power they have revealed turned against them, both ending their careers and harming their personal lives.
A former congressional staffer says withholding damning evidence from Congress and using civilians to carry out presidential or intelligence agency agendas links the Ukraine crisis to other scandals.
The Founders saw as a regular part of ensuring presidential accountability. A constitutional scholar offers a possible process for a rapid and smooth impeachment inquiry.
As the House mounts an impeachment investigation of President Trump, examples from Central and South America show that ousting an executive leader from office doesn't always have the intended effect.
The conflict between Congress and President Trump over his dealings with Ukraine's president is just the latest version of a long-running struggle for power between the two branches of government.
The backlog in naturalization applications has ballooned to more than 700,000. Wait times have doubled in the last three years.
Some view a retreat from democracy and the escalating effects of climate change as an unfortunate coincidence. But a new study shows that the two trends may be more closely related than we think.
The US has historically asked for international support when brewing conflicts in the Middle East boiled over.
Some Cuban entrepreneurs are so openly anti-communist that they sound like, well, capitalists.
There's been a reversal of power between religious and secular sides of American culture. The Supreme Court is now at the center of that shift.
Asylum-seekers will now be prevented from applying for asylum in the United States if they could have pursued asylum in another country first.
Between 1% and 9% of sex offenders are female. Many are 'co-offenders,' recruiting and manipulating victims for others.