For the first time in history, humanity has witnessed a previously unseen part of the Sun: its South Pole. This unprecedented view comes courtesy of the European Space Agency’s (ESA) Solar Orbiter, ...

In the coming years, Solar Orbiter’s path is expected to tilt even further, bringing even more of the sun's south pole into direct view. As such, the best views may be yet to come, according to ESA.

All about the science and celebration of the Summer Solstice, plus, for this year, a unique oddity for parts of Canada!

At 9.01am today, March 20th, the sun crossed the Earth’s equator, marking the vernal equinox, the date when the direction of sunrise is due east and sunset due west.

At precisely 5:01 a.m. ET on Thursday, the sun's rays fall directly on the equator, marking the first official day of spring. Meteorologists consider March 1 the start of spring.

That happens only on the equinoxes, when the sun crosses the celestial equator — the imaginary line between the Northern and Southern hemisphere skies — no matter where you are on the planet.

In the coming years, Solar Orbiter’s path is expected to tilt even further, bringing even more of the sun's south pole into direct view. As such, the best views may be yet to come, according to ESA.