Supermassive black hole spotted 12.9 billion light-years from Earth — and it's shooting a beam of energy right at us (www.livescience.com)
NASA rover discovers liquid water 'ripples' carved into Mars rock — and it could rewrite the Red Planet's history (www.livescience.com) angielski
'We were amazed': Astronomers discover oldest, biggest black hole jet in the known universe — and there may be more (www.livescience.com)
