Saturday
American space firm Blue Origin successfully completed the third launch and vertical landing of its reusable New Shepard rocket on Saturday, company founder and Internet entrepreneur Jeff Bezos said.
"Flawless BE-3 restart and perfect booster landing," tweeted Bezos, referring to the BE-3 engine used to land the rocket back at the company's testing site in Texas.
The unmanned crew capsule also landed safely, using parachutes, said the executive, who founded online giant Amazon and also owns The Washington Post newspaper.
The breakthroughs by Blue Origin and parallel efforts by rival Internet mogul Elon Musk's SpaceX open up the potential for cutting costs for space travel and making rockets as reusable as airplanes.
Sunday
Greek authorities geared up to send hundreds of failed asylum-seekers back to Turkey, which is racing to set up reception centres under a controversial EU deal.
Some 750 migrants were set to be sent back between Monday and Wednesday, Greek state news agency ANA said, the first wave of deportations under the much-criticised agreement struck last month.
Three boats shipped scores of migrants from the Greek islands to Turkey on Monday.
As the sun rose over the Greek islands of Lesbos and Chios, some 200 migrants, mainly from Pakistan and Bangladesh, were ferried back across the Aegean Sea, retracing the perilous journey they took on rickety boats in their desperation to reach Europe.
European Union officials are hoping the deal with Ankara will discourage migrants from making a trek that has claimed hundreds of lives and curb a human influx which has badly strained the 28-nation bloc.
Yorgos Kyritsis, the Greek government's migration spokesman, said 136 migrants had left from Lesbos, and 66 from Chios.
Monday
Confiscated ivory was moved to secure containers from an ivory stock room at the Kenya Wildlife Services (KWS) headquarters in Nairobi on April 4, 2016.
Kenya on April 30, 2016 will burn approximately 105 tonnes of confiscated ivory, almost all of the country's total stockpile.
Several African heads of state, conservation experts, high-profile philanthropists and celebrities are slated to be present at the event which they hope will send a strong anti-poaching message.
Tuesday
Angry motorists queued overnight at petrol stations across Nigeria and lines of cars blocked traffic in the commercial capital Lagos on Tuesday as the worst fuel shortages for years hit Africa's top oil producer.
President Muhammadu Buhari was elected in March 2015 on a ticket to end the mismanagement and corruption that have kept many of the 180 million people in Nigeria in poverty, despite the country's oil wealth.
But a slump in oil revenues after a slide in global crude prices has plunged the Africa's biggest economy into its worst crisis for decades, with the supplies of dollars needed to pay for fuel and other crucial imports drying up.
Buhari's All Progressives Conference party (APC) and ministers have come under fire for not getting agreements in place quickly enough to swap Nigeria's crude oil for fuels such as gasoline, and keep vehicles running.
"We've slept here in the queue since yesterday night but there is no fuel," said Thomas Udoh, a driver in a queue for a petrol station stretching for kilometres in Lagos.
"I voted for APC for change, but ... is this the change? This is very painful," Udoh said.
Wednesday
A boy from the Arab Jahalin Bedouin community stands next the rubble of his home in the village of Umm al-Kheir south of the West Bank city of Hebron on April 6, 2016 after Israeli authorities demolished six houses that they said were built without permission.
In the past three months, the Israeli military has more than tripled its demolitions of Palestinian structures in the occupied West Bank, United Nations' figures show, raising alarm among diplomats and human rights groups over what they regard as a sustained violation of international law.
Figures collated by the U.N.'s office for the coordination of humanitarian affairs (OCHA), which operates in Gaza, the West Bank and East Jerusalem, show that from an average of 50 demolitions a month in 2012-2015, the average has risen to 165 a month since January, with 235 demolitions in February alone.
The Israeli military, which has occupied the West Bank since the 1967 Middle East war, says it carries out the demolitions because the structures are illegal: they were either built without a permit, in a closed military area or firing zone, or violate other planning and zoning restrictions.
The UN and rights groups point out that permits are almost impossible for Palestinians to acquire, that firing zones are often declared but seldom used, and that many planning restrictions date from the British Mandate in the 1930s.
Thursday
Belgian prosecutors on Thursday launched a fresh appeal for help find the suspected surviving attacker in last month's Brussels airport bombings, releasing a video of the escape route taken by the so-called "man in the hat".
Police have been desperately searching for the third suspect ever since he was seen on CCTV next to the two suicide bombers who blew themselves up at the airport in coordinated attacks that also struck a Brussels metro station. A total of 32 people died.
The newly released police video shows the man, wearing a dark hat and a light-coloured jacket, fleeing the airport's departure hall after the bombs went off at 07:58 am on March 22.
CCTV footage shows him continuing his route on foot towards central Brussels where surveillance cameras lose track of him at 09:50 am.
Investigators are urgently looking for the jacket, described in the statement accompanying the video as light "with a hood which is dark inside".
"Should this jacket be found, this might give invaluable information to the investigators."
Friday
David Hasselhoff (C) paints the head of a Chinese Dragon to bring good luck during the opening ceremony of the rugby sevens tournament in Hong Kong on April 8, 2016.
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