The universe's expansion may actually have started to slow rather than accelerating at an ever-increasing rate as previously ...

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 remarkable new study challenges the findings of Nobel Prize winning research into how our universe has changed over time.

The co-author of a new study assessing microplastics in lobsters says the research can serve as a warning that plastic ...

In a first-of-its-kind experiment, scientists have recreated "cosmic fireballs" here on Earth in a particle accelerator.The ...

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

A cosmic explosion known as GRB 250702B is by far the longest gamma-ray burst astronomers have ever seen—if it’s even one at ...

Supernova remnants, stellar nurseries and more populate the new edge-on view of the Milky Way as seen from Earth’s southern hemisphere.

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

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

But most of the gold on Earth isn’t in our hands; it’s deep underground. During the planet’s formation, heavy elements like gold and platinum sank toward the molten iron core. Geologists estimate that ...

For 25 years, the ISS has orbited Earth, but few know how close it came to disaster. A gripping new doc breaks the silence.