Astronomy

What Venus can teach us about planets far beyond our own solar system

A viewing calendar for what to see in the February and March night sky

Astronomers peer inside planetary nurseries for clues about how our solar system and others came to be

Physicists at the LIGO experiment have now detected 11 cosmic events that produce ripples in the fabric of space-time

New observations of a stellar explosion have revealed a surprise that could point to the trigger behind these violent, yet mysterious, eruptions

After a journey of more than four decades, Voyager 2 has passed beyond the sun’s influence

Scientists now have a second example of a strange stellar phenomenon speculatively linked to extraterrestrial intelligence in 2015

Why we are probably the only intelligent life in the galaxy

Opportunities abound to watch the sun disappear if you live long and travel

Use the interactive map below to find the next solar spectacular in your region

New results from the gravitational wave observatory hint that black holes move in mysterious ways

Our neighborhood of planets was not created slowly, as scientists once thought, but in a speedy blur of high-energy crashes, destruction and rebuilding