The Brief

Republican presidential nominee Donald Trump speaks at the 2nd annual Joni Ernst Roast and Ride event in Des Moines on Aug. 27, 2016 .
Stephen Maturen—Getty Images
Suspended Brazilian President Dilma Rousseff, during the reading of her letter to the Brazilian people and senators, at Alvorada Palace in Brasilia, on August 16, 2016.

Brazil's Dilma Rousseff Testifies at Impeachment Trial

Suspended President Dilma Rousseff addresses the Senate in a showdown pitting accusations that the she hurt Brazil's economy with budget manipulations against her argument that she did nothing wrong and is being targeted by corrupt lawmakers

The mushroom cloud produced by the first explosion by the Americans of a hydrogen bomb at Eniwetok Atoll in the South Pacific.

Scientists Say a New Geological Epoch Is Here

Humanity's influence on the Earth is so great, an entirely new geological epoch called the Anthropocene should be declared, according to scientists who recommended the change to the International Geological Congress

Beyoncé accepts the award for Video of the Year onstage during the 2016 MTV Video Music Awards at Madison Square Garden on Aug. 28, 2016 in New York City.

Beyoncé on Top at the 2016 MTV Video Music Awards

The singer not only wowed the crowd with a 16-minute performance of 'Lemonade', she took home an armful of Moonmen trophies on Sunday night at the annual Video Music Awards. Here's who else took home awards

Pope Francis shakes hands with Facebook CEO Mark Zuckerberg during a meeting at the Vatican on Aug. 29, 2016.

Head of World's Biggest Religion Meets Pope Francis

A man responsible for bringing the world together in the spirit of friendship met with the head of the Catholic Church in Italy this week. Mark Zuckerberg said he admired Pope Francis's "message of mercy and tenderness"

space, astronauts, mars, hi-seas, nasa, mars isolation, mars simulation

Six Astronauts Spend a Year on Mars — in Hawaii

Andrzej Stewart, Christiane Heinicke, Carmel Johnston, Tristan Bassingthwaighte, Cyprien Verseux, Sheyna Gifford emerged from a year-long mission in isolated Mars-like conditions on Hawaii's Mauna Loa

Mylan NV's EpiPen allergy shots sit on display for a photograph in Princeton, Ill. on Aug. 26, 2016.

Mylan to Launch Generic Version of EpiPen for $300

The company said Monday that its U.S. subsidiary will put out a generic version of the injectable medicine that will have a list price of $300 for a two-pack. It will be available in both 0.15 mg and 0.30 mg strengths

The remains of the church of the village of Santi Lorenzo e Flaviano, central Italy, Saturday, Aug. 27, 2016. Italians bid farewell Saturday to victims of the devastating earthquake that struck a mountainous region of central Italy this week. (AP Photo/Andrew Medichini)

Shoddy Buildings May Have Worsened Quake Toll

Bulldozers with huge claws pulled down overhanging ledges Sunday in Italy's quake-devastated town of Amatrice as investigators worked to figure out if negligence or fraud in building codes added to the quake's high death toll.

President of Uzbekistan Islam Karimov after a Shanghai Cooperation Organization Summit on June 24, 2016.

Uzbek President Suffers a Brain Hemorrhage

President Islam Karimov is in a stable condition after suffering a brain hemorrhage Saturday, his daughter said. The 78-year-old has ruled the former Soviet republic in Central Asia since 1989

Green Bay Packers v San Francisco 49ers

Colin Kaepernick Defends National Anthem Sit-Out

The 49ers quarterback has defended his decision to sit during the playing of the national anthem, saying he has no plans of stopping his silent protest."I'm going to continue to stand with the people that are being oppressed," he said

Some 323 dead wild reindeers struck by lightning are seen littering a hill side on Hardangervidda mountain plateau in central Norway on Aug. 27, 2016.

Bolt of Lightning Kills 323 Reindeer in Norway

The animals were found dead on the Hardangervidda plateau, the Norwegian Environment Agency said. The herd of reindeer is believed to have been killed by lightning strike as they huddled together during a heavy thunderstorm

BELGIUM-EXPLOSION

Brussels Blast Likely Arson, Prosecutors Say

Reports of a bomb outside Belgium's criminal institute are probably false, the Brussels prosecutor's office said, describing the incident as much more likely an arson attack designed to destroy criminal evidence