Two Earth-like planets in one solar system were discovered.
Paleontologists unearthed dinosaur eggs with embryonic bones inside in China.
The Iron Lady Margaret Thatcher died at 87 years old.
Ariana Grande released her first single, 'The Way.'
Europe's Planck spacecraft found evidence that our universe is 13.8 billion years old.
The world's largest postage stamp was released.
Water-bearing minerals were discovered on Mars by NASA's Curiosity Rover.
Pope Francis succeeds Pope Benedict XVI.
Willcom announced the world's smallest and lightest phone.
Pope Benedict XVI resigns.
A Duke University neuroscientist connected two rat brains together over the internet.
Nineteen tourists were killed in a hot air balloon crash in Luxor, Egypt.
The first electric car charging network debuted in Estonia.
Lionel Messi scored his 300th goal for Barcelona's soccer team.
A meteor exploded over Chelyabinsk, Russia, which sent shockwaves that smashed windows and injured 1,500 people.
A category 3 blizzard wreaked havoc in the US and Canada.
The House of Commons voted in favor of same-sex marriage in the United Kingdom.
House of Cards, starring Kevin Spacey, was released as a Netflix Original.
The French government made it so that Parisian women could legally wear pants.
South Korea's first launch vehicle successfully reached orbit for the first time.
Earth-like calcium-rich deposits were found on Mars by NASA's Curiosity Rover.
Seven-time Tour de France winner, Lance Armstrong, admitted doping during all wins on Oprah Winfrey.
Twenty One Pilots released their third studio album called 'Vessel.'
Vladimir Putin signed a law banning the US adoption of Russian children.
Eleven kindergarten children were killed after a minivan plunged into a roadside pond in Jiangxi, China.
Psy's music video for 'Gangnam Style' surpassed one billion views on YouTube, becoming the first video to do so in the website's history.
First female President of South Korea elected.
Gunmen killed six health workers in Pakistan.
NASA completed a successful mission to map the Moon's gravity field.
After countless failures, North Korea launched its first satellite.
Bombs in Hilla and Karbala, Iraq, killed 30 Shias and wounded 100 others.
Psy's 'Gangnam Style' music video became the most viewed video on YouTube, passing 800 million views.
A 100-vehicle pile-up on a highway in Texas killed two people and injured 120 more.
Toshiba rolled out a four-legged robot designed to clean up after nuclear disasters.
Call of Duty: Black Ops 2 earned a staggering $500 million within 24 hours of release.
The Northern Territory of Australia and the South Pacific were darkened by a total eclipse of the sun.
Seventeen soldiers lost their lives in a helicopter crash during bad weather in Turkey.
The New York City Marathon was canceled due to Hurricane Sandy.
Walt Disney bought out Lucasfilm Ltd for $4 billion.
The James Bond spy movie 'Skyfall,' starring Daniel Craig, premiered at the Royal Albert Hall, London, UK.
Native American Kateri Tekakwitha became the first native to become a saint.
A painting called 'Abstraktes' by Gerhard Richter sold for a record $34 million.
14-year-old girls-rights activist Malala Yousafzai was shot three times on her way to school.
German Chancellor Angela Merkel visited Athens and was met by 50,000 protestors.
Pope Benedict XVI's butler, Paolo Gabriele, was convicted and jailed for 18 months for leaking confidential documents.
China banned all literature from Japan or by Japanese authors.
A study was published by the journal Nature saying that scientists had identified four distinct types of breast cancer.
Iran blocked access to Google and Gmail due to an anti-Islam movie that triggered protests worldwide.
Former President Barack Obama gave his nominee acceptance speech.
Egypt's state TV lifted the ban on veiled news presenters.
