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

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

The only possibility left was an extraordinary one: a tidal disruption event, or TDE.

The most massive stars in the universe are destined to explode as brilliant supernova before collapsing into black holes. Yet ...

The enormous outburst was likely caused by an unfortunate star venturing too close to a supermassive black hole ...

How did the extremely massive stars (EMS) in the early universe help form the oldest star clusters? This is what a recent ...

For several decades, evidence has suggested that the expansion of the universe is accelerating. Crucial to those estimates were the use of standard candles, celestial events of the same luminosity ...

A ‘superflare’ 10 trillion times brighter than the Sun is confirmed as the record-holder for both luminosity and distance.

Astronomers have detected the most distant and biggest black hole flare ever seen, the result of a black hole ripping apart ...

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

With Zenno’s flagship product – the Supertorquer – onboard, Portal Space Systems will launch the Starburst-1 mission, a highly manoeuvrable spacecraft in late 2026. The purpose of the mission is to ...