Alex Ritson

Wouldn't that be extraordinary?

So what next?

The plan is to have larger telescopes, some in space, to look at dark energy in detail, to get to the bottom of what this mysterious force really is.

The results could tell us not only how the universe will end, but maybe a better idea of how it all began.

Still to come, a Siberian tiger stuns conservationists with her litter.

For a female Amur tiger or Siberian tiger to give birth to five cubs and have them survive as long as these five seem to have survived is pretty remarkable.

In my new family-friendly podcast series, Dead Funny History, historical figures come back to life for just about long enough to argue with me, tell us their life stories, and sometimes get on my nerves.

There's 15 lovely episodes to unwrap, including the life of Ramses the Great, Josephine Baker, and the history of football, plus much, much more.

So this Christmas, give your ears a treat with Dead Funny History.

You can find it in the You're Dead to Me feed on BBC.com or wherever you get your podcasts.

Discover brilliant podcasts from the BBC World Service.

The amount of victims in such a short time was unbelievable.

From the BBC World Service, this is Cyberhack Evilcore.

The story of a cybercrime case that stretches from small-town America to the back streets of Moscow.

Many undocumented immigrants in the United States are from the Central American state of Honduras, and they're sending home more money in remittances than ever.

During the first nine months of this year, they sent back in excess of $10 billion.

That makes up an astonishing one quarter of the Honduran economy.

But President Trump's harsher immigration policies mean many of these migrants are being rounded up.

Others are being put off from attempting to get to the U.S.

in the first place.