Astronomy

Surprising recent measurements hint that the universe isn’t expanding in the way we had thought, and it could be explained by still-theoretical dark radiation

Surprising recent measurements hint that the universe isn’t expanding in the way we had thought, and it could be explained by still-theoretical dark radiation

Sierra Space's first Dream Chaser space plane has finished rigorous environmental testing in Ohio and is being prepped for the journey to its Florida launch site.

This image of the Andromeda galaxy uses data from NASA’s retired Spitzer Space Telescope. Multiple wavelengths are shown, revealing stars (in blue and cyan), dust (red), and areas of star formation.

Primordial black holes left over from the Big Bang and no wider than a dime could be a prime target for NASA's Nancy Grace Roman Telescope after it launches in 2026.

Lucasfilm Animation's second Star Wars anthology series often wows, but neither the tales chosen nor the structure feel like a good fit for the format.

Milestone observations from the James Webb Space Telescope reveal signs of an atmosphere on the inhospitably hot super-Earth 55 Cancri e

Last week, the chief scientist of the James Webb Space Telescope, Jane Rigby, was awarded the 2024 Medal of Freedom.

A sunspot so big it rivals the gigantic sunspot responsible for the Carrington Event in 1859 has unleashed another X-class solar flare. Watch the eruption here and find out how to see the sunspot for yourself.

An analysis of a mathematical economic game suggests that even learning from past mistakes will almost never help us optimise our decision-making – with implications for our ability to make the biggest financial gains

An analysis of a mathematical economic game suggests that even learning from past mistakes will almost never help us optimise our decision-making – with implications for our ability to make the biggest financial gains

It's been four years since it was made, but if you could smell it, you'd find it still retains the whiff of a DoubleTree Cookie. The first food item baked in space is now at the Smithsonian.

The Red Planet launches large bursts of plasma into space from its upper atmosphere, much like the sun’s coronal mass ejections, despite not having a global magnetic field

The Red Planet launches large bursts of plasma into space from its upper atmosphere, much like the sun’s coronal mass ejections, despite not having a global magnetic field

China launched its first Long March 6C rocket, helping the nation further its goal of launching 100 orbital missions this year.

With just three more episodes remaining after this one, "Star Trek: Discovery" offers us a surprisingly well-written installment.

Is Stonehenge aligned with the moon? Scientists hope to find out during a rare 'major lunar standstill, which happens once every 18.6 years.

Elon Musk isn't convinced that aliens have ever visited Earth, according to remarks the SpaceX CEO and founder made during a conference on Tuesday (May 7).

For decades, cosmologists have been fighting over the Hubble constant, a number that represents the expansion rate of the universe – it may have finally been pinned down

For decades, cosmologists have been fighting over the Hubble constant, a number that represents the expansion rate of the universe – it may have finally been pinned down