22 April 2021
Earth Day 2021 - What can you do to help?
... the notion that mitigation or adaptation are the only ways to address climate change. We all need a healthy Earth to support our jobs, livelihoods, health & survival, and happiness. A healthy planet is not an option — it is a necessity. For example...
22 September 2017
OSIRIS-REx makes closest Earth approach today
... to the origin of life and give clues as to how Earth got its oceans. Launched just over a year ago while strapped... collected sample of Bennu’s surface is expected to return to Earth in 2023. The spacecraft has already been spotted earlier this month...
09 February 2018
New research on rocky worlds helps identify Earth-like planets
... not, as their radii span this dividing line between super-Earth (rocky) and sub-Neptune (somewhat gassy) planets; planet ...most likely water. This is a huge amount as by comparison, the Earth has only about 0.02% water by mass! In terms of the amount...
22 January 2020
2.2 billion year old impact crater is confirmed as Earth's oldest
...the potential effects that a Yarrabubba-sized impact may have had on climactic conditions. If the meteorite hit Earth when it was covered by an ice sheet between 2 to 5 kilometres thick, up to half a trillion tonnes of water vapour, a greenhouse gas...
09 June 2021
Meteorites impacting Earth mainly come from a very small region of space, new study says
...planet. It is estimated that around two thousand meteorites land on the Earth's surface every year, and as many as 63,000 of them ...or small, the standard view of meteorite delivery to Earth is that large asteroid break-ups scattered throughout the ...
12 November 2021
Near-Earth asteroid might be a piece of the Moon
... asteroid is thought to be between 46 and 57 metres (150 and 190 feet) in diameter – it means only the largest telescopes on Earth have been able to observe it. That telescope is the Large Binocular Telescope (LBT); a pair of huge identical 8.4-metre...
