In 2013, in a big success story, a Mars rover and orbiter made a near-simultaneous observation of methane in Mars' atmosphere. Now a newer mission orbiting Mars - ESA's Trace Gas Orbiter - has failed to detect methane. Why?
A bright meteor was caught in many dashcam videos - in broad daylight - on April 6, 2019, over the Russian city of Krasnoyarsk. See a video compilation here.
Rain takes different forms on the planets and moons of our solar system. But it also "rains" on the sun, as electrified gas drips from giant magnetic loops in the sun's outer atmosphere. Read about the sun's coronal rain.
Einstein's theory was confirmed in 1919, when British astronomer Sir Arthur Eddington measured the bending of starlight around the sun during a total solar eclipse. And it's been re-confirmed since. How about now?
On April 10, in coordinated press conferences across the globe, researchers unveiled a history-making image - the 1st ever - of the "shadow" of a supermassive black hole.
Israel's Beresheet spacecraft will attempt the country's 1st-ever and 1st commercial landing on the moon on Thursday, April 11. The landing is expected between 19:00 and 20:00 UTC (2 to 3 p.m. CDT).