The current BBC headline is "Brexit: MPs reject Theresa May's deal by 149 votes", which is a better summary of the situation. For a variety of reasons (legal, procedural, and political) MPs can't simply resolve to reject Brexit, and didn't do so today. What they can do is reject the exit deal that May has negotiated. Some of them have voted to do this because they want a 'softer' Brexit with a closer ongoing relation…
> For a variety of reasons (legal, procedural, and political) MPs can't simply resolve to reject Brexit, There is no legal reason why ministers cannot reject Brexit; given the role of Parliament in the UK system of government, there is very little that ministers could be legally prevented from deciding, since the current (at whatever time it is you are asking the question) Parliament itself is generally the ultimate…
There is, for a revocation of article 50 notice to be legal, Parliament has to pass a motion directing the Government to do so[1].
[1] https://ukandeu.ac.uk/revoking-article-50-after-the-ecjs-rul...