A galaxy made almost entirely of dark matter, an elusive form of matter that doesn’t interact with light, was spotted by Hubble 250 million light-years from Earth.

The US consulate in Dhahran - where Saudi oil giant Aramco is based - urges people to shelter. Elsewhere, the UK deploys "a significant level of defensive capability" to Cyprus.

For the past two decades, scientists have wondered about a bright, distinct striped pattern seen in radio waves emanating ...

What are some skywatching highlights in March 2026? A total lunar eclipse blood moon takes centre stage, Venus and Saturn cozy up for a conjunction, and we celebrate the vernal equinox.

The sun reaches the March equinox at 5:01 a.m. Eastern Daylight Time on March 20. This is when it crosses the equator heading northward. This moment marks the change of seasons: the beginning of ...