US president claims widespread and varied emergencies to justify executive authority in first year of second term.

Julius Bryant’s book reveals how artists, publishers, and new media shaped the visual legacy of the Great Exhibition and ...

NEW YORK (AP) — Hollywood wrapped up a turbulent year with big ticket sales for “Avatar: Fire and Ash” and a box-office hit ...

Anerican space agency NASA said the first full sky map made by the SPHEREx satellite is ready, three more to follow over the ...

Imagine hurtling through space at 58 kilometres per second, a cosmic intruder from another star system brushing past Earth ...