Astronomy
A New Artist’s Illustration of the Extremely Large Telescope. So Many Lasers
Everyone loves lasers. And the only thing better than a bunch of lasers is a bunch of lasers on one…
Catch Monday Morning’s Subtle Lunar Eclipse
A penumbral lunar eclipse in the early morning hours of November 30th marks the start of the last eclipse season…
Here’s what we know about Earth’s new minimoon
For only the second time in history, astronomers have discovered a new, natural-origin, minimoon orbiting the Earth. The minimoon, known…
Hubble Sees Dark Shadows That Could Be Cast by a Supermassive Black Hole
We use the term 'supermassive black hole' with a kind of casual familiarity. But stop and think about what they…
Mars Might Have Lost its Water Quickly
Mars is an arid place, and aside from a tiny amount of water vapour in the atmosphere, all water exists…
Scientists Have Re-Analyzed Their Data and Still See a Signal of Phosphine at Venus. Just Less of it
The team that detected phosphine in Venus' atmosphere has reexamined the data and confirmed their discovery, with a few caveats…
A 100-Meter Rotating Liquid Mirror Telescope on the Moon? Yes Please.
A team from UT Austin has renewed a proposal for a liquid-mirror telescope on the Moon that could study the…
Earth and the Moon Might Have Captured an Old Upper Stage Rocket
According to NASA, an object detected between the Earth and Moon could actually be the spent stage of a rocket…
Past Supernovae Could be Written Into Tree Rings
A new study by CU Boulder geoscientist Robert Brakenridge shows how nearby supernovae could have disrupted Earth's climate in the…
A Record Close Shave: Asteroid 2020 VT4 Just Skimmed by Earth
Wow. A low-flying space rock set a record last Friday (appropriately, the 13th), when 2020 VT4 passed just under 400…