My third question - why are ferns the only plants to unfurl in this way - doesn’t appear to have an answer. Ferns are a lineage of terrestrial plants that emerged some 360 million years ago.

Pro-Palestinian protesters have breached security at Australia’s Parliament House to unfurl banners from the roof as a senator quit the government over its direction on the Gaza war.

NASA has yet to announce when it will unfurl ACS3's sails, but we can't wait to find out what the unusual satellite is capable of. More on NASA: NASA Releases New Render of SpaceX's Starship ...

Pro-Palestinian protesters have breached security at Australia’s Parliament House to unfurl banners from the roof as a senator quit the government over its direction on the Gaza war.