Are all the planets in our solar system alignedin the same direction?

not at all

To get a valid answer, you have to be clearer on what, exactly, you are asking.  By "aligned in the same direction" what precisely do you mean?  The answer depends on exactly what you are asking.

They're "aligned" in the sense that they all  pretty closely follow the same pathway around the sun (..called the 'ecliptic..).

The axis of rotation for most of the planets is nearly perpendicular to the ecliptic. The exception is Uranus, which is tipped on its side.


But even earth is tilted about 20 degrees or so.

No they are not all aligned.  They all follow their own orbits around the sun.  And are at a different place constantly.

In 1988, there was an alleged lineup of the planets, as close as they will come to conjunction for thousands of years.
Astrologers were in a state of panic, but nothing world-shattering happened.
If you mean, are they all in one long straight line, the answer is no.

And VENUS, the supposed "female" planet, revolves in the opposite direction from all the others.   Hmmmmm

Look out! Here come the thumbs down!

No, they aren't.  Time to shift our focus to the 165+ moons they've discovered in our backyard.

Do you mean rotate, as in orbital direction ? If that is your question than the answer is -yes. This was set into motion billions of years ago as vast  cloud of gases and materials from a super nova remnant  condensed and gravitational forces took over forming whats called an accretion disc which  set rotation into motion.We have viewed this outside our own solar system.

This rotation of gases and materials caused friction as this cosmic soup condensed further and further which eventually started a fusion reaction at the biggest mass collection meaning our parent star the sun.

  However the axis and tilt of  and orbital rotation of each planet varies because of various events that took place during the early formation of our solar system.Mars has a slightly elliptic orbit  and Pluto does for sure ,Venus has a counter rotation just to name a few oddities.

Many think Pluto which is now declassified to sub planet  is actually a captured planet or whats called a rogue moon that may not be from the original formation.There are still many more mysteries that science has not fully explained yet about the formation of our current solar system meaning what happened and when.There are several sites on the web to look for such information Yahoo is probably not your best bet.