Rather than solid arms, spiral galaxies may show density waves—regions where matter slows down and bunches up, like cars in ...

A supermassive black hole around a million times the mass of the Sun just gave away its position in spectacular fashion.

Scientists have developed a pig fat cell line that promises efficient, scalable and consistent cultivated meat production, ...

Vladimir Putin put forward the proposal of talks between the two countries after European leaders threatened him with fresh ...

A Soviet-era spacecraft plunged to Earth on Saturday, more than a half-century after its failed launch to Venus.

Volodymyr Zelenskyy insisted there must be a full, temporary ceasefire in place before negotiations can start with Russia.

The Ukrainian leader says he will be waiting for Putin in Turkey on Thursday after the U.S. president Trump insists the two ...

A Soviet-era spacecraft plunged to Earth on Saturday, more than a half-century after its failed launch to Venus. Its ...

Volodymyr Zelensky says Ukraine is ready to meet Putin for ceasefire talks, adding Russia's consideration of ending the war ...

It isn't the worst setback. Researchers unveil unprecedented satellite that will have to be turned off when it floats over ...