Elon Musk's company SpaceX is building a vehicle that could transform space travel.
Read moreBy Paul Rincon
Science editor, BBC News website
By Paul Rincon
Science editor, BBC News website
By Luke Reddy
BBC Sport boxing reporter
The US tech billionaire launches the latest prototype of his "Mars spaceship".
By Jonathan Amos
BBC Science Correspondent
By Ashitha Nagesh
BBC News
The Latino vote both helped and hurt Joe Biden. This is how.
Texas is projected to vote for Donald Trump. It's the second largest prize in the electoral college with 38 votes.
Republicans have held on to this state for the last 10 elections.Trump won the state comfortably in 2016.
When will we know who’s won Texas and why does it matter?
The “Lone Star” state is one of the most glittering of all the prizes. With 38 electoral votes, it the state with the second largest number after California’s 55.
In 2016, Donald Trump won Texas comfortably, beating Hillary Clinton by nine percentage points. This came as no surprise – Texas has voted Republican in every single election since Ronald Reagan in 1980.
So why, in 2020, is Texas worth highlighting?
Most polls project a Trump win, but some are within the margin error and a small number even suggest Biden is ahead. For the first time in decades, the state is competitive.
The growing Latino population and a surge in young people voting are two reasons why Democrats hope the state will eventually turn blue.
Biden dispatched running mate Kamala Harris to campaign in Texas, where she was joined by Beto O’Rourke, who narrowly failed to unseat Republican Ted Cruz in a 2018 Senate race.
Early voting already surpassed the turnout in 2016.
Polls close at 21:00ET (02:00 GMT), with the result expected to be known on the night.
Jeff Wilson lives in California but his mail ballot from his home state of Texas didn't arrive.
Just ahead of the election, the US is seeing what could be the largest outbreak of the pandemic so far.
Isaiah and Nathan’s mother and father died from Covid-19 within two weeks of each other.