The prime minister has given up trying to form a governing coalition.
If Netanyahu fails to form a government, Israel is set on a path for its third election with its government in a deep-seated deadlock.
Benjamin Netanyahu's Likud party received less votes than Gantz's Blue and White coalition.
Blue and White and Likud are currently tied on seats after the country's second election in a year.
Benjamin Netanyahu's fight for a fifth term is an existential struggle.
Israel's longest-serving prime minister could find himself at the end of his political career because voters see him as too divisive and corrupt.
The European Union said any "settlement plan" would be considered "illegal" under international law after Israeli Prime Minister Benjamin Netanyahu announced he planned to annex parts of the occupied West Bank.
Iran on Monday rejected a claim by Israeli Prime Minister Benjamin Netanyahu that Tehran had been developing nuclear weapons at a secret site and said Netanyahu was seeking a pretext for war
Watch: Netanyahu joins Johnson outside number 10 on surprise visit to London
There are strong indications that Tehran is in breach of its obligations. Documents seized from a warehouse in Tehran by Israel in January 2018 disclose a wealth of new information about Iran’s nuclear program that was previously unknown to the IAEA.
Benjamin Netanyahu's Likud party at level with Benny Gantz's centrist Blue and White.
Israeli Prime Minister Benjamin Netanyahu on Sunday became the first foreign leader to visit Ukraine since the election of former actor Volodymyr Zelensky as President of the eastern European country.
The much-touted shared values between the U.S. and Israel no longer seem to include liberal protections for free speech.
The uprecedented move to prohibit Democrat Congresswomen Rashida Tlaib and Ilhan Omar visiting Israel followed public pressure from Donald Trump.
Political turmoil in Israel as voters face a second election in September as Benjamin Netanyahu fails to form government
Thousands of Israelis protested legislative changes to grant Prime Minister Benjamin Netanyahu immunity and to limit the Supreme Court's power.
Israeli Prime Minister Benjamin Netanyahu has moved to try and get a new settlement in the Golan Heights named after US President Donald Trump to thank him for recognising the Jewish state's sovereignty over the disputed territory.
Benjamin Netanyahu's is on course for a fifth term as Israel's prime minister. Benny Gantz, his main rival in Tuesday's election, conceded defeat at a press conference in Tel Aviv on Wednesday.
This is a race between two competing perspectives: Those who have Bibi fatigue and those who see Netanyahu as indispensable to the nation.
Prime Minister Benjamin Netanyahu has pledged to formally annex Jewish settlements in the occupied West Bank ahead of Tuesday's elections in Israel.
Turkey and the Palestinian Authority have condemned the Israeli prime minister's pledge to extend sovereignty over the West Bank
Israeli planes strike Gaza City after long range missile attack
West Bank manhunt underway after fatal attack
Rival Tel Aviv protests over Bibi corruption charges
Netanyahu faces three possible charges on bribery, breaching trust and fraud. It could be his downfall.
Netanyahu has denied the allegations and denounced "an unprecedented witch hunt intended to topple the right-wing government."