Nasa is set to make its biggest announcement yet with regards to the Red Planet. The space agency has teased the press conference with only a note saying that a Mars mystery has been solved.
"NASA will detail a major science finding from the agency’s ongoing exploration of Mars," it said in a statement. Many expect the event will bring an announcement that the space agency has found water on Mars — a discovery that could lead to a whole range of new findings.
The mystery has encouraged some to make some farfetched predictions with odds of alien life currently on Mars at 33/1; and that Mars is not a planet anymore at 250/1.
Whatever the announcement, you can watch it all here in the live stream below. It begins at 4.30pm UK time, or 11.30am in Nasa's local Eastern Daylight Time.
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