Astronomy is increasingly becoming an online affair. Recent discoveries of interstellar Comet 3I/ATLAS and R2 SWAN have ...

High school students could breeze past this 10-question general knowledge quiz but the real challenge is seeing whether you ...

The observatory’s work is far from trivial. It captures gamma-ray, X-ray, ultraviolet, and optical data in real time, studying black holes, supernovae, neutron stars, and other cosmic phenomena.

There are signs deep beneath the Pacific Ocean that an exploding star once sent cosmic rays blasting out towards Earth, and ...

Astronomers once struggled to measure the true size of the universe. Then came the discovery of Type Ia supernovae — explosions so consistent in brightness they could serve as “standard candles.” By ...

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...

In a time without telescopes, the appearance of a new star in the night sky was a disconcerting event full of meaning. Today, those same historical records, meticulously noted by chroniclers and poets ...

Garry Linnell is one of Australia’s most experienced journalists. He has won several awards for his writing, including a ...

There could be a 90 percent chance that in the next decade, astronomers will spot a deep space explosion that confirms ...

For the first time, astronomers have seen the inner layers of a star revealed in its final moments. The finding suggests a new, more violent pathway for how massive stars die. Credit: Shutterstock A ...

A mysterious object from interstellar space is screaming through our solar system right now, and is expected to rip past Mars and Jupiter over the coming months before exiting back into the void ...

Though NGC 7456 looks like a modest spiral galaxy, new Hubble and XMM-Newton observations reveal a bustling system with star-forming regions and an active core. The spiral galaxy NGC 7456 may appear ...