All Olympics
- First LookLeslie Jones defies trolls, tweets her way to Olympic invite
After a barrage of hateful, racist, and misogynistic tweets nearly drove Leslie Jones off Twitter for good, the comedian has returned with a series of live tweets hailed as the best Olympic commentary for non-sports fans.
- First LookWith 19th gold medal, Michael Phelps on course for Olympic sweep
Michael Phelps's very presence at the Summer Games is record-breaking, but the American swimmer just proved he's much more than a nominal contender.
- First LookRio Olympics TV schedule: What to watch Monday
Highlights of Day 3 include the men's gymnastics team final, a history-making fencing performance by Ibtihaj Muhammad, and the first-ever Olympic gold medal for women's rugby sevens.
- Michael Phelps adds gold medal No. 19 to his trophy case
The most decorated athlete in Olympic history, Michael Phelps added to his staggering haul Sunday night in the 4x100-meter freestyle relay. Katie Ledecky broke her own world record in the 400 freestyle.
- No. 1? Russian swimmer's doping past stirs waves in Olympic pool
World champion breaststroker Yulia Efimova of Russia was allowed to compete at Rio following a 16-month suspension for doping. American Lilly King isn't impressed.
- Russia banned from Rio Paralympics over doping
The International Paralympic Committee said in its announcement that a doping culture is "endemic within Russian sport at the very highest levels." Russia is appealing the ban.
- Why did the US commit more than 1,000 spies to the Rio Olympics?
The US provided more than 1,000 intelligence operatives and analysts to assist in security for the 2016 Olympic games. About 350 are working in Rio, the rest are working remotely.
- US shooter Virginia Thrasher takes first gold medal in Rio
Virginia Thrasher on Saturday earned the first gold medal of the Rio Olympics, outlasting two-time gold medalist Du Li to capture the women's 10-meter air rifle title.
- Rowers at Rio get off to a choppy start amid high winds
Australian gold medal contender Kimberly Brennan just avoided a major setback after nearly sinking. A Serbian boat capsized.
- Rio Olympics TV schedule: What to watch Saturday
The US team has already won the first gold medal of the 2016 Olympics, don't miss the rest of the highlights in the first full day of the games.
- First LookRio 2016: What to expect from the opening ceremony
Brazil will put its best foot forward Friday night when the Olympic Games kick off at 8:00 p.m. ET on NBC. But soccer legend Pele will not be lighting the Olympic cauldron.
- Rio triggers call for stricter human rights protections for future Olympics
Human rights organizations have come together to try to prevent future Olympic Games from having a harmful affect on host cities' poorest residents.
- First LookAre the Olympics cool enough for surfing? IOC says yes, adding 5 sports
The International Olympic Committee approved baseball/softball, karate, skateboarding, sport climbing, and surfing for the 2020 Olympics in Tokyo.
- First LookFemale gymnast makes Olympic history with seventh games
Uzbekistan’s Oksana Chusovitina could make history in Rio as the oldest Olympic female gymnast to compete.
- FocusNewly reintroduced to Olympics, golf could be gauge of Rio's success
For many, golf is symbolic of the vast challenges faced by host cities, from environmental concerns around construction to whether long-term benefits will reach beyond the elite.
- First LookOn her shoulders: record number of female Olympians expected in Rio
Equality in representation between men and women in the Games has come a long way, for some countries more than others.
- Should the Olympics stop moving around?
Some critics suggest that a semi-permanent home for the Olympics would put more nail-biting back in the stadium, where it belongs.
- First LookDo Black Lives Matter protests belong at the Olympic Games?
A Reuters/Ipsos poll found a majority of Americans don't want to see athletes express their political views at the Games. Will that stop Olympians from speaking out like Tommie Smith and John Carlos did nearly 50 years ago?
- IOC OKs case-by-case approval for Russians in Rio, forgoing blanket ban
Rather than instituting a blanket ban of Russia, the International Olympic Committee will allow Russian athletes to compete in the Rio Olympic Games on a case-by-case basis.
- FocusOlympic security: Brazil adjusts to new threats with help from global partners
Brazil issued 12 arrest warrants Thursday for people they believe have had contact with Islamic State. It's getting advice on how to prevent attacks from countries with more experience in dealing with terrorism.