For almost a century, we have known that the universe is expanding. For several decades, evidence has suggested that the ...

Portal Space Systems says that a rapid-maneuverability space vehicle called Starburst will leverage technologies it's already ...

In 2018, a patch of sky 11 billion light-years away suddenly exploded with light. Researchers thought the galaxy looked ...

The BOAT – or Brightest of All Time, a record that has yet to be beaten – was a gamma-ray burst accompanying a supernova ...

Is there anything more dramatic than an exploding star? More than just extraordinarily bright, energetic events that can ...

The finalists for the Vallejo Sun's inaugural Best of Vallejo & Benicia contest are here! We received hundreds of nominations across 117 categories. Now the final round of voting begins – voting ...

An ominous-looking nebula named NGC 246 lurks in the constellation Cetus about 1,600 light-years away from Earth. It is ...

Astronomers observed the fading light of supernova SN 2025kg, which followed the fast X-ray transient (FXT) named EP 250108a.

Portal Space Systems, a Bothell-based startup, aims to harness the power of the sun to propel spacecraft, making it easier to ...

As the collapsed core of a massive star, a neutron star is a small but incredibly dense object, packing up to three times the ...

SUN CITY WEST, AZ (AZFamily) — The Maricopa County Sheriff’s Office has confirmed that at least one person is critically hurt after a crash in the West Valley on Tuesday afternoon. The collision ...

High above the Sun’s blazing equator lie its mysterious poles, the birthplace of fast solar winds and the heart of its magnetic heartbeat. For decades, scientists have struggled to see these regions, ...