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Space News from SpaceDaily.Com brings the space industry professional daily news from the frontier, with contract, bid, launch and on-orbit satellite news as it happens.
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Scientists often model Mars’s interior as a set of uniform spherical layers, but 16 years of tracking data from three NASA orbiters reveals something radically uneven: the mantle beneath the southern highlands may be up to 720 degrees Fahrenheit hotter than beneath the northern lowlands—and researchers still don’t know whether persistent mantle upwelling, an insulating crust or the after-effects of an ancient giant impact created it.
1+ week, 1+ day ago (1103+ words) Seasonal changes in Mars's gravity imply that the mantle beneath its ancient southern highlands is hundreds of degrees warmer than the north, but three origin stories remain....
The Moon is rusting even though it has no air and almost no liquid water — and the leading explanation is that oxygen escaping Earth rides our magnetic tail 385,000 kilometres into space during the few days each month when the solar wind is blocked
3+ week, 1+ day ago (687+ words) Chandrayaan-1 found hematite near the lunar poles. Orbital patterns and laboratory tests point to oxygen ions escaping Earth and reaching the Moon through our magnetotail....
Mars can snow carbon dioxide at its poles, while some of its warmest summer landscapes grow dry-ice frost overnight that vanishes back into gas after sunrise
1+ mon, 1+ day ago (583+ words) Mars can produce snow from carbon dioxide near its winter poles. Far from those seasonal caps, however, the same material can appear in a quieter and more...
Earth's core holds enough gold to cover every continent in a layer 50 centimetres deep, but until volcanic rocks from Hawaii were analysed in 2025, geologists assumed it was sealed away forever — the core turns out to be leaking
1+ mon, 6+ day ago (628+ words) A 2025 ruthenium isotope study found evidence that material from Earth’s core is entering the mantle and reaching Hawaiian volcanic rocks, though it did not directly detect gold in transit....
How does a lake the size of Lake Ontario stay liquid under four kilometres of Antarctic ice, sealed away from sunlight and the atmosphere for something like fifteen million years?
1+ mon, 2+ week ago (1224+ words) Sealed beneath Antarctic ice for millions of years, a hidden ocean-sized lake challenges our understanding of life's limits and Earth's hidden frontiers....
In 2025, Antarctic drillers reached bedrock and recovered ice that fell as snow 1.2 million years ago — with the air of that vanished world still sealed inside it
1+ mon, 2+ week ago (782+ words) A time capsule of ancient air reveals how Earth's climate operated in a world before humans existed....
The largest waterfall on Earth is hidden beneath the ocean between Greenland and Iceland, where cold water plunges more than three kilometres down the seafloor at 3.5 million cubic metres per second
1+ mon, 3+ week ago (263+ words) The ocean's most powerful waterfall moves in silence, invisible to satellites and hidden beneath one of the planet's most turbulent seas....
Mercury is shrinking — as its iron core slowly cools, the whole planet has contracted by up to seven kilometres, wrinkling its surface into cliffs hundreds of miles long
1+ mon, 3+ week ago (349+ words) Mercury carries the record of planetary cooling across its surface. Long, curving cliffs cut through craters and plains because the small planet lost internal...
In 1994, a park ranger abseiling into a canyon 150 kilometres northwest of Sydney found a stand of trees with knobbly bark that matched 90-million-year-old fossils, and the Wollemi pine's exact location is still classified
1+ mon, 4+ week ago (127+ words) In September 1994, off-duty NSW park ranger David Noble abseiled into a slot canyon 150 kilometres from Sydney and found a stand of trees that matched 90-million-year-old fossils. Fewer than 90 wild Wollemi pines remain, and the Australian government still keeps the grove's…...
Earth’s inner core is an iron-rich ball as hot as the surface of the Sun, kept solid only because the crushing pressure of the entire planet raises the temperature at which iron can melt
1+ mon, 4+ week ago (686+ words) Earth's centre sounds like a contradiction. The inner core is hot enough to sit in the same temperature range as the visible surface of the Sun, yet it is not...