A new method of predicting when a superflare will erupt from the sun suggests that we are in the middle of such a period now — and that could be bad news for the Artemis 2 astronauts.

Senior surged after the engineer said it had received and rejected several takeover proposals in the last couple of months, but that discussions with two suitors are ongoing. Hays slid after the ...

Future missions to Mars may want to dig into ice rather than rock. Scientists say ancient microbes, or traces of them, could be locked inside Martian ...

179.1 x 260.7 cm. (70.5 x 102.6 in.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...