"The right arises to launch a retaliatory strike with weapons of mass destruction," Dmitry Medvedev said on Tuesday.

Now 38, Nadal bid farewell to the sport he ruled for nearly two decades. His exit comes after Spain's defeat to the ...

A long-standing enigma surrounding the Crab Pulsar, a neutron star at the center of the Crab Nebula, may have been unraveled.

Dmitry Medvedev issued a strongly-worded statement, condemning a recent US decision allowing Ukraine to launch missiles into ...

Vladimir Putin has signed an update to Russia's nuclear doctrine, coinciding with the 1,000th day of the war in Ukraine.

Putin will share Russia's nuclear deterrence with its allies—mirroring NATO's "attack on one member is an attack on all" doctrine.

Basic Principles of State Policy on Nuclear Deterrence” — but its contents are chilling, especially with its newest revisions ...

Moscow's decision to lower the threshold for a nuclear attack came as the Kremlin responded furiously to the U.S. allowing Ukraine to strike inside Russia with American weapons.

A theoretical astrophysicist from the University of Kansas may have solved a nearly two-decade-old mystery over the origins ...

What He Did: Became the first man in 57 years to win an Australian Open final after dropping the first two sets. What He Said ...

Tennis Hot Topics After Jannik Sinner had secured his first Nitto ATP Finals crown in Turin with an emphatic 6-4, 6-4 triumph ...

It’s supposed to be the tournament where the year’s top eight players battle it out for one last prestigious trophy.