New observations with the Webb space telescope of the hot Jupiter exoplanet WASP-94A b show that sandy clouds fill the morning skies, but dissipate by evening.
In 2029, Canada's POET mission will start searching for Earth-sized exoplanets as well as super-Earths. It will focus on smaller, cooler stars like red dwarfs.
Stardust in Antarctica reveals the presence of an element that is not naturally made on Earth. But it is created in supernovas. Read more about the evidence.
May 15, 1836: Francis Baily, an English astronomer, saw light shining through lunar ridges during an eclipse of the sun. These are now known as Baily's beads.
Skylab was America's 1st space station. 3 crews lived and worked there for over 171 days, studying the sun and Earth and setting records for life in space.
Will Pluto become a planet again, or remain a dwarf planet under current definitions? Scientists still disagree nearly 2 decades after its reclassification.