A Senate committee will investigate the administrations of former leaders Jonathan, Yar'adua and Obasanjo over mismanaged funds.
While some see Eko Atlantic as Nigeria’s answer to climate change, critics say the government has long neglected extreme poverty and rural infrastructure.
The government failed to fully fund a light rail project and other ventures, leaving them unfinished or abandoned, Muhammadu Buhari said.
Nigeria holds some of the world's richest oil reserves and yet two-thirds of Nigerians still live in poverty and without access to grid electricity.
“In my opinion, the leadership and the structure of the church in Nigeria are as guilty as the politicians," Nigerian-born pastor Sunday Adelaja said.
The African nation's leader is expected to announce a deal with the violent terrorist group in the near future, a Nigerian news outlet reported.
Retired Col. Sambo Dasuki said the previous administration recaptured land from militants and stopped their leader from disrupting elections.
The move comes one day after the African nation's president appointed a new head of the Nigerian National Petroleum Corporation.
Appointing a petroleum minister is key to driving out graft in the African nation's oil sector, observers say.
Ghana has been managing Nigeria's airspace over the Gulf of Guinea in West Africa since 1945.
Emmanuel Ibe Kachikwu of Exxon-Mobil Africa was appointed as group managing director of Nigeria's state-run oil company.
In the oil sector alone, $150 billion was believed to have been taken from the African nation's coffers, a report said.
Nigeria's new president Muhammadu Buhari must overhaul the country's state-owned oil company to save the West African nation from losing billions of dollars.
"Certain regimes" left the nation's army underfunded and underequipped to take on the insurgent group, says Alex Badeh, who was sacked last month.
Former Nigerian President Goodluck Jonathan and his administration was widely accused of corruption during his tenure.
U.S. President Barack Obama's administration reportedly gave Nigerian President Muhammadu Buhari the names during their talks at the White House last week.
President Muhammadu Buhari criticized the U.S. law forbidding the provision of weapons to the Nigerian army because of past human rights violations.
The U.S. and Nigerian presidents met at the White House to discuss Boko Haram's growing threat as well as the corruption and public health issues facing Nigeria.
The newly elected Nigerian president has made cracking down on the extremist Boko Haram group a top priority.
Next week's visit to Washington by President Muhammadu Buhari is viewed by the U.S. administration as a chance to set the seal on improving ties since he won a March election hailed as Nigeria's first democratic power transition in decades.
No one has claimed responsibility for the blast, but it bore the hallmarks of Boko Haram, which has launched countless attacks in the northeastern state.
A decadeslong, low-level conflict between Nigerian farmers and herders is costing Nigeria nearly $14 billion in economic development each year.