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 ...

Scientists now believe highly magnetised neutron stars, or magnetars, are a significant source of gold and other heavy ...

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

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

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

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

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

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

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

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