VLA Photo: Credit: NSF/NSF NRAO/AUI/B.Foott This white paper highlights the work that is needed to anticipate the challenges and societal impacts of a possible technosignature detection. We recommend practical steps
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Marine invertebrate extinction rate (grey circles) and the large igneous provinces which correlate with major extinction events (labelled, after Clapham and Renne78). — Nature Communications In the first and only
The European company Eos X Space has acquired Space Perspective, one its key rivals in the nascent field of stratospheric balloon tourism. Florida-based Space Perspective has been developing a luxury
The Aurora Australis, photographed over Concordia station in July 2025, during the ongoing solar activity maximum, the peak of the Sun’s 11-year cycle. ESA – Larger image This dazzling light
The emission nebula NGC 6188 captured from the dark skies of the Central Australian Desert by astrophotographer Tim Henderson. (Image credit: Tim Henderson) Amateur astrophotographer and full-time wildlife conservationist Tim
GFAJ-1 grown on arsenic. — NASA Keith’s note: Science magazine is retracting a NASA paper they published 15 years ago – “A Bacterium That Can Grow by Using Arsenic Instead
Best-fit model to an empirical transmission spectrum of the cloudless Earth in units of scale height, H (adapted from (40)). Different colors indicate the contributions from various molecules. Despite its
Blue Origin’s first launch of its New Glenn rocket was supposed to send up a pair of Mars-bound satellites for NASA, but uncertain readiness plans last year forced NASA to
LAS VEGAS — Lockheed Martin is examining options to offer the Orion spacecraft through commercial services, which could enable non-NASA uses of the crewed exploration spacecraft. To continue reading this
TAMPA, Fla. — EchoStar has placed a $1.3 billion order with MDA Space for the first 100 satellites of a $5 billion direct-to-device (D2D) connectivity constellation, even as regulatory scrutiny
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